diff --git a/include/ui/noscrollcombobox.h b/include/ui/noscrollcombobox.h
index 1291c7e9..5f4d73e7 100644
--- a/include/ui/noscrollcombobox.h
+++ b/include/ui/noscrollcombobox.h
@@ -10,6 +10,7 @@ class NoScrollComboBox : public QComboBox
 public:
     explicit NoScrollComboBox(QWidget *parent = nullptr);
     void wheelEvent(QWheelEvent *event);
+    void setTextItem(const QString &text);
 
 private:
 };
diff --git a/include/ui/tileseteditor.h b/include/ui/tileseteditor.h
index 75243d06..29912e4d 100644
--- a/include/ui/tileseteditor.h
+++ b/include/ui/tileseteditor.h
@@ -136,6 +136,7 @@ private:
     void copyMetatile(bool cut);
     void pasteMetatile(const Metatile * toPaste);
     bool replaceMetatile(uint16_t metatileId, const Metatile * src);
+    void setComboValue(QComboBox * combo, int value);
 
     Ui::TilesetEditor *ui;
     History<MetatileHistoryItem*> metatileHistory;
diff --git a/src/ui/eventframes.cpp b/src/ui/eventframes.cpp
index c3f254c1..bd6fbf6f 100644
--- a/src/ui/eventframes.cpp
+++ b/src/ui/eventframes.cpp
@@ -334,18 +334,11 @@ void ObjectFrame::initialize() {
     const QSignalBlocker blocker(this);
     EventFrame::initialize();
 
-    int index = -1;
-
     // sprite
-    index = this->combo_sprite->findText(this->object->getGfx());
-    if (index < 0) {
-        this->combo_sprite->setCurrentText(this->object->getGfx());
-    } else {
-        this->combo_sprite->setCurrentIndex(index);
-    }
+    this->combo_sprite->setTextItem(this->object->getGfx());
 
     // movement
-    this->combo_movement->setCurrentIndex(this->combo_movement->findText(this->object->getMovement()));
+    this->combo_movement->setTextItem(this->object->getMovement());
 
     // radius
     this->spinner_radius_x->setValue(this->object->getRadiusX());
@@ -357,15 +350,10 @@ void ObjectFrame::initialize() {
         this->button_script->hide();
 
     // flag
-    index = this->combo_flag->findText(this->object->getFlag());
-    if (index < 0) {
-        this->combo_flag->setCurrentText(this->object->getFlag());
-    } else {
-        this->combo_flag->setCurrentIndex(index);
-    }
+    this->combo_flag->setTextItem(this->object->getFlag());
 
     // trainer type
-    this->combo_trainer_type->setCurrentIndex(this->combo_trainer_type->findText(this->object->getTrainerType()));
+    this->combo_trainer_type->setTextItem(this->object->getTrainerType());
 
     // sight berry
     this->combo_radius_treeid->setCurrentText(this->object->getSightRadiusBerryTreeID());
@@ -463,8 +451,6 @@ void CloneObjectFrame::initialize() {
     const QSignalBlocker blocker(this);
     EventFrame::initialize();
 
-    int index = -1;
-
     // sprite
     this->combo_sprite->setCurrentText(this->clone->getGfx());
 
@@ -474,12 +460,7 @@ void CloneObjectFrame::initialize() {
     this->spinner_target_id->setValue(this->clone->getTargetID());
 
     // target map
-    index = this->combo_target_map->findText(this->clone->getTargetMap());
-    if (index < 0) {
-        this->combo_target_map->setCurrentText(this->clone->getTargetMap());
-    } else {
-        this->combo_target_map->setCurrentIndex(index);
-    }
+    this->combo_target_map->setTextItem(this->clone->getTargetMap());
 }
 
 void CloneObjectFrame::populate(Project *project) {
@@ -542,15 +523,8 @@ void WarpFrame::initialize() {
     const QSignalBlocker blocker(this);
     EventFrame::initialize();
 
-    int index = -1;
-
     // dest map
-    index = this->combo_dest_map->findText(this->warp->getDestinationMap());
-    if (index < 0) {
-        this->combo_dest_map->setCurrentText(this->warp->getDestinationMap());
-    } else {
-        this->combo_dest_map->setCurrentIndex(index);
-    }
+    this->combo_dest_map->setTextItem(this->warp->getDestinationMap());
 
     // dest id
     this->spinner_dest_warp->setValue(this->warp->getDestinationWarpID());
@@ -631,18 +605,11 @@ void TriggerFrame::initialize() {
     const QSignalBlocker blocker(this);
     EventFrame::initialize();
 
-    int index = -1;
-
     // script
     this->combo_script->setCurrentText(this->trigger->getScriptLabel());
 
     // var
-    index = this->combo_var->findText(this->trigger->getScriptVar());
-    if (index < 0) {
-        this->combo_var->setCurrentText(this->trigger->getScriptVar());
-    } else {
-        this->combo_var->setCurrentIndex(index);
-    }
+    this->combo_var->setTextItem(this->trigger->getScriptVar());
 
     // var value
     this->combo_var_value->setCurrentText(this->trigger->getScriptVarValue());
@@ -709,15 +676,8 @@ void WeatherTriggerFrame::initialize() {
     const QSignalBlocker blocker(this);
     EventFrame::initialize();
 
-    int index = -1;
-
     // weather
-    index = this->combo_weather->findText(this->weatherTrigger->getWeather());
-    if (index < 0) {
-        this->combo_weather->setCurrentText(this->weatherTrigger->getWeather());
-    } else {
-        this->combo_weather->setCurrentIndex(index);
-    }
+    this->combo_weather->setTextItem(this->weatherTrigger->getWeather());
 }
 
 void WeatherTriggerFrame::populate(Project *project) {
@@ -782,15 +742,8 @@ void SignFrame::initialize() {
     const QSignalBlocker blocker(this);
     EventFrame::initialize();
 
-    int index = -1;
-
     // facing dir
-    index = this->combo_facing_dir->findText(this->sign->getFacingDirection());
-    if (index < 0) {
-        this->combo_facing_dir->setCurrentText(this->sign->getFacingDirection());
-    } else {
-        this->combo_facing_dir->setCurrentIndex(index);
-    }
+    this->combo_facing_dir->setTextItem(this->sign->getFacingDirection());
 
     // script
     this->combo_script->setCurrentText(this->sign->getScriptLabel());
@@ -905,23 +858,11 @@ void HiddenItemFrame::initialize() {
     const QSignalBlocker blocker(this);
     EventFrame::initialize();
 
-    int index = -1;
-
     // item
-    index = this->combo_item->findText(this->hiddenItem->getItem());
-    if (index < 0) {
-        this->combo_item->setCurrentText(this->hiddenItem->getItem());
-    } else {
-        this->combo_item->setCurrentIndex(index);
-    }
+    this->combo_item->setTextItem(this->hiddenItem->getItem());
 
     // flag
-    index = this->combo_flag->findText(this->hiddenItem->getFlag());
-    if (index < 0) {
-        this->combo_flag->setCurrentText(this->hiddenItem->getFlag());
-    } else {
-        this->combo_flag->setCurrentIndex(index);
-    }
+    this->combo_flag->setTextItem(this->hiddenItem->getFlag());
 
     // quantity
     if (projectConfig.getHiddenItemQuantityEnabled()) {
@@ -986,15 +927,8 @@ void SecretBaseFrame::initialize() {
     const QSignalBlocker blocker(this);
     EventFrame::initialize();
 
-    int index = -1;
-
     // id
-    index = this->combo_base_id->findText(this->secretBase->getBaseID());
-    if (index < 0) {
-        this->combo_base_id->setCurrentText(this->secretBase->getBaseID());
-    } else {
-        this->combo_base_id->setCurrentIndex(index);
-    }
+    this->combo_base_id->setTextItem(this->secretBase->getBaseID());
 }
 
 void SecretBaseFrame::populate(Project *project) {
@@ -1065,19 +999,14 @@ void HealLocationFrame::initialize() {
     const QSignalBlocker blocker(this);
     EventFrame::initialize();
 
-    if (projectConfig.getHealLocationRespawnDataEnabled()) {
-        int index = this->combo_respawn_map->findText(this->healLocation->getRespawnMap());
-        if (index < 0) {
-            this->combo_respawn_map->setCurrentText(this->healLocation->getRespawnMap());
-        } else {
-            this->combo_respawn_map->setCurrentIndex(index);
-        }
-
+    bool respawnEnabled = projectConfig.getHealLocationRespawnDataEnabled();
+    if (respawnEnabled) {
+        this->combo_respawn_map->setTextItem(this->healLocation->getRespawnMap());
         this->spinner_respawn_npc->setValue(this->healLocation->getRespawnNPC());
     }
 
-    this->hideable_respawn_map->setVisible(projectConfig.getHealLocationRespawnDataEnabled());
-    this->hideable_respawn_npc->setVisible(projectConfig.getHealLocationRespawnDataEnabled());
+    this->hideable_respawn_map->setVisible(respawnEnabled);
+    this->hideable_respawn_npc->setVisible(respawnEnabled);
 }
 
 void HealLocationFrame::populate(Project *project) {
diff --git a/src/ui/noscrollcombobox.cpp b/src/ui/noscrollcombobox.cpp
index c65694c2..44824c94 100644
--- a/src/ui/noscrollcombobox.cpp
+++ b/src/ui/noscrollcombobox.cpp
@@ -28,3 +28,12 @@ void NoScrollComboBox::wheelEvent(QWheelEvent *event)
     if (hasFocus())
         QComboBox::wheelEvent(event);
 }
+
+void NoScrollComboBox::setTextItem(const QString &text)
+{
+    int index = this->findText(text);
+    if (index >= 0)
+        this->setCurrentIndex(index);
+    else
+        this->setCurrentText(text);
+}
diff --git a/src/ui/tileseteditor.cpp b/src/ui/tileseteditor.cpp
index 474e363f..14e9d441 100644
--- a/src/ui/tileseteditor.cpp
+++ b/src/ui/tileseteditor.cpp
@@ -348,25 +348,37 @@ void TilesetEditor::onHoveredMetatileCleared() {
     this->ui->statusbar->clearMessage();
 }
 
+void TilesetEditor::setComboValue(QComboBox * combo, int value) {
+    int index = combo->findData(value);
+    if (index >= 0) {
+        // Valid item
+        combo->setCurrentIndex(index);
+    } else if (combo->isEditable()) {
+        // Invalid item in editable box, just display the text
+        combo->setCurrentText(QString::number(value));
+    } else {
+        // Invalid item in uneditable box, display text as placeholder
+        // On Qt < 5.15 this will display an empty box
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
+        combo->setPlaceholderText(QString::number(value));
+#endif
+        combo->setCurrentIndex(index);
+    }
+}
+
 void TilesetEditor::onSelectedMetatileChanged(uint16_t metatileId) {
     this->metatile = Tileset::getMetatile(metatileId, this->primaryTileset, this->secondaryTileset);
     this->metatileLayersItem->setMetatile(metatile);
     this->metatileLayersItem->draw();
     this->ui->graphicsView_metatileLayers->setFixedSize(this->metatileLayersItem->pixmap().width() + 2, this->metatileLayersItem->pixmap().height() + 2);
-
-    int index = this->ui->comboBox_metatileBehaviors->findData(this->metatile->behavior);
-    if (index != -1)
-        this->ui->comboBox_metatileBehaviors->setCurrentIndex(index);
-    else
-        this->ui->comboBox_metatileBehaviors->setCurrentText(QString::number(this->metatile->behavior));
-
     this->ui->lineEdit_metatileLabel->setText(this->metatile->label);
+    setComboValue(this->ui->comboBox_metatileBehaviors, this->metatile->behavior);
     if (!projectConfig.getTripleLayerMetatilesEnabled()) {
-        this->ui->comboBox_layerType->setCurrentIndex(this->ui->comboBox_layerType->findData(this->metatile->layerType));
+        setComboValue(this->ui->comboBox_layerType, this->metatile->layerType);
     }
     if (projectConfig.getBaseGameVersion() == BaseGameVersion::pokefirered) {
-        this->ui->comboBox_encounterType->setCurrentIndex(this->ui->comboBox_encounterType->findData(this->metatile->encounterType));
-        this->ui->comboBox_terrainType->setCurrentIndex(this->ui->comboBox_terrainType->findData(this->metatile->terrainType));
+        setComboValue(this->ui->comboBox_encounterType, this->metatile->encounterType);
+        setComboValue(this->ui->comboBox_terrainType, this->metatile->terrainType);
     }
 }