diff --git a/include/project.h b/include/project.h
index f4f59d7d..7c8998ea 100644
--- a/include/project.h
+++ b/include/project.h
@@ -92,7 +92,8 @@ public:
     QString readMapLocation(QString map_name);
 
     bool readWildMonData();
-    QMap<QString, QMap<QString, WildPokemonHeader>> wildMonData;
+    tsl::ordered_map<QString, tsl::ordered_map<QString, WildPokemonHeader>> wildMonData;
+
     QVector<EncounterField> wildMonFields;
     QVector<QString> encounterGroupLabels;
     QVector<poryjson::Json::object> extraEncounterGroups;
diff --git a/src/editor.cpp b/src/editor.cpp
index 2f8e38da..8daed969 100644
--- a/src/editor.cpp
+++ b/src/editor.cpp
@@ -179,17 +179,20 @@ void Editor::displayWildMonTables() {
         return;
     }
 
-    labelCombo->addItems(project->wildMonData[map->constantName].keys());
-    labelCombo->setCurrentText(project->wildMonData[map->constantName].firstKey());
+    for (auto groupPair : project->wildMonData[map->constantName])
+        labelCombo->addItem(groupPair.first);
 
-    for (int labelIndex = 0; labelIndex < project->wildMonData[map->constantName].keys().size(); labelIndex++) {
+    labelCombo->setCurrentText(labelCombo->itemText(0));
 
-        QString label = project->wildMonData.value(map->constantName).keys().at(labelIndex);
+    int labelIndex = 0;
+    for (auto labelPair : project->wildMonData[map->constantName]) {
 
-        WildPokemonHeader header = project->wildMonData.value(map->constantName).value(label);
+        QString label = labelPair.first;
+
+        WildPokemonHeader header = project->wildMonData[map->constantName][label];
 
         MonTabWidget *tabWidget = new MonTabWidget(this);
-        stack->insertWidget(labelIndex, tabWidget);
+        stack->insertWidget(labelIndex++, tabWidget);
 
         int tabIndex = 0;
         for (EncounterField monField : project->wildMonFields) {
@@ -559,7 +562,7 @@ void Editor::saveEncounterTabData() {
 
     if (!stack->count()) return;
 
-    QMap<QString, WildPokemonHeader> &encounterMap = project->wildMonData[map->constantName];
+    tsl::ordered_map<QString, WildPokemonHeader> &encounterMap = project->wildMonData[map->constantName];
 
     for (int groupIndex = 0; groupIndex < stack->count(); groupIndex++) {
         MonTabWidget *tabWidget = static_cast<MonTabWidget *>(stack->widget(groupIndex));
@@ -594,8 +597,10 @@ void Editor::updateEncounterFields(EncounterFields newFields) {
             if (oldFieldName == newFieldName) {
                 fieldDeleted = false;
                 if (oldField.encounterRates.size() != newField.encounterRates.size()) {
-                    for (QString map : project->wildMonData.keys()) {
-                        for (QString groupName : project->wildMonData.value(map).keys()) {
+                    for (auto mapPair : project->wildMonData) {
+                        QString map = mapPair.first;
+                        for (auto groupNamePair : project->wildMonData[map]) {
+                            QString groupName = groupNamePair.first;
                             WildPokemonHeader &monHeader = project->wildMonData[map][groupName];
                             for (QString fieldName : monHeader.wildMons.keys()) {
                                 if (fieldName == oldFieldName) {
@@ -608,8 +613,10 @@ void Editor::updateEncounterFields(EncounterFields newFields) {
             }
         }
         if (fieldDeleted) {
-            for (QString map : project->wildMonData.keys()) {
-                for (QString groupName : project->wildMonData.value(map).keys()) {
+            for (auto mapPair : project->wildMonData) {
+                QString map = mapPair.first;
+                for (auto groupNamePair : project->wildMonData[map]) {
+                    QString groupName = groupNamePair.first;
                     WildPokemonHeader &monHeader = project->wildMonData[map][groupName];
                     for (QString fieldName : monHeader.wildMons.keys()) {
                         if (fieldName == oldFieldName) {
diff --git a/src/project.cpp b/src/project.cpp
index fcdb1dcb..43bc546f 100644
--- a/src/project.cpp
+++ b/src/project.cpp
@@ -726,13 +726,15 @@ void Project::saveWildMonData() {
     monHeadersObject["fields"] = fieldsInfoArray;
 
     OrderedJson::array encountersArray;
-    for (QString key : wildMonData.keys()) {
-        for (QString groupLabel : wildMonData.value(key).keys()) {
+    for (auto keyPair : wildMonData) {
+        QString key = keyPair.first;
+        for (auto grouplLabelPair : wildMonData[key]) {
+            QString groupLabel = grouplLabelPair.first;
             OrderedJson::object encounterObject;
             encounterObject["map"] = key;
             encounterObject["base_label"] = groupLabel;
 
-            WildPokemonHeader encounterHeader = wildMonData.value(key).value(groupLabel);
+            WildPokemonHeader encounterHeader = wildMonData[key][groupLabel];
             for (QString fieldName : encounterHeader.wildMons.keys()) {
                 OrderedJson::object fieldObject;
                 WildMonInfo monInfo = encounterHeader.wildMons.value(fieldName);
@@ -1752,7 +1754,7 @@ bool Project::readWildMonData() {
                     }
                 }
             }
-            wildMonData[mapConstant].insert(encounter.toObject().value("base_label").toString(), header);
+            wildMonData[mapConstant].insert({encounter.toObject().value("base_label").toString(), header});
             encounterGroupLabels.append(encounter.toObject().value("base_label").toString());
         }
     }