diff --git a/include/editor.h b/include/editor.h
index baf32b5e..2b24f883 100644
--- a/include/editor.h
+++ b/include/editor.h
@@ -194,6 +194,7 @@ signals:
     void selectedObjectsChanged();
     void loadMapRequested(QString, QString);
     void tilesetChanged(QString);
+    void wildMonDataChanged();
     void warpEventDoubleClicked(QString mapName, QString warpNum);
     void currentMetatilesSelectionChanged();
     void wheelZoom(int delta);
diff --git a/include/mainwindow.h b/include/mainwindow.h
index c4490965..29ae028b 100644
--- a/include/mainwindow.h
+++ b/include/mainwindow.h
@@ -125,6 +125,7 @@ private slots:
     void onMapChanged(Map *map);
     void onMapNeedsRedrawing();
     void onTilesetsSaved(QString, QString);
+    void onWildMonDataChanged();
     void openNewMapPopupWindow(int, QVariant);
     void onNewMapCreated();
 
diff --git a/src/editor.cpp b/src/editor.cpp
index dcb32ee6..0ad2fd6c 100644
--- a/src/editor.cpp
+++ b/src/editor.cpp
@@ -355,6 +355,7 @@ void Editor::addNewWildMonGroup(QWidget *window) {
             tabIndex++;
         }
         saveEncounterTabData();
+        emit wildMonDataChanged();
     }
 }
 
@@ -586,6 +587,7 @@ void Editor::configureEncounterJSON(QWidget *window) {
 
         // Re-draw the tab accordingly.
         displayWildMonTables();
+        emit wildMonDataChanged();
     }
 }
 
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 4efc3270..f721b877 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -115,6 +115,7 @@ void MainWindow::initEditor() {
     connect(this->editor, SIGNAL(tilesetChanged(QString)), this, SLOT(onTilesetChanged(QString)));
     connect(this->editor, SIGNAL(warpEventDoubleClicked(QString,QString)), this, SLOT(openWarpMap(QString,QString)));
     connect(this->editor, SIGNAL(currentMetatilesSelectionChanged()), this, SLOT(currentMetatilesSelectionChanged()));
+    connect(this->editor, SIGNAL(wildMonDataChanged()), this, SLOT(onWildMonDataChanged()));
     connect(this->editor, &Editor::wheelZoom, this, &MainWindow::scaleMapView);
 
     this->loadUserSettings();
@@ -2182,6 +2183,10 @@ void MainWindow::onTilesetsSaved(QString primaryTilesetLabel, QString secondaryT
     this->editor->updateSecondaryTileset(secondaryTilesetLabel, true);
 }
 
+void MainWindow::onWildMonDataChanged() {
+    projectHasUnsavedChanges = true;
+}
+
 void MainWindow::on_action_Export_Map_Image_triggered() {
     showExportMapImageWindow(false);
 }
diff --git a/src/ui/montabwidget.cpp b/src/ui/montabwidget.cpp
index a2aa5fc0..829bacd6 100644
--- a/src/ui/montabwidget.cpp
+++ b/src/ui/montabwidget.cpp
@@ -48,6 +48,7 @@ void MonTabWidget::askActivateTab(int tabIndex, QPoint menuPos) {
         populateTab(tabIndex, getDefaultMonInfo(editor->project->wildMonFields.at(tabIndex)), tabText);
         editor->saveEncounterTabData();
         setCurrentIndex(tabIndex);
+        emit editor->wildMonDataChanged();
     });
     contextMenu.addAction(&actionActivateTab);
     contextMenu.exec(mapToGlobal(menuPos));
@@ -97,6 +98,7 @@ void MonTabWidget::populateTab(int tabIndex, WildMonInfo monInfo, QString fieldN
     encounterRate->setValue(monInfo.encounterRate);
     connect(encounterRate, QOverload<int>::of(&QSpinBox::valueChanged), [this](int) {
         editor->saveEncounterTabData();
+        emit editor->wildMonDataChanged();
     });
     encounterLayout->addWidget(encounterRate);
     encounterFrame->setLayout(encounterLayout);
@@ -125,6 +127,7 @@ void MonTabWidget::createSpeciesTableRow(QTableWidget *table, WildPokemon mon, i
     QObject::connect(monSelector, &QComboBox::currentTextChanged, [=](QString newSpecies) {
         QPixmap monIcon = QPixmap(editor->project->speciesToIconPath.value(newSpecies)).copy(0, 0, 32, 32);
         monLabel->setPixmap(monIcon);
+        emit editor->wildMonDataChanged();
         if (!monIcon.isNull()) editor->saveEncounterTabData();
     });
 
@@ -141,10 +144,12 @@ void MonTabWidget::createSpeciesTableRow(QTableWidget *table, WildPokemon mon, i
     connect(minLevel, QOverload<int>::of(&QSpinBox::valueChanged), [maxLevel, this](int min) {
         maxLevel->setMinimum(min);
         editor->saveEncounterTabData();
+        emit editor->wildMonDataChanged();
     });
 
     connect(maxLevel, QOverload<int>::of(&QSpinBox::valueChanged), [maxLevel, this](int) {
         editor->saveEncounterTabData();
+        emit editor->wildMonDataChanged();
     });
 
     int fieldIndex = 0;