diff --git a/src/Editor/PropertyEdit/CPropertyModel.cpp b/src/Editor/PropertyEdit/CPropertyModel.cpp
index 79215560..ded71dc4 100644
--- a/src/Editor/PropertyEdit/CPropertyModel.cpp
+++ b/src/Editor/PropertyEdit/CPropertyModel.cpp
@@ -11,6 +11,15 @@
 #include <QSize>
 
 #include <array>
+#include <vector>
+
+struct CPropertyModel::SProperty
+{
+    IProperty* pProperty;
+    QModelIndex Index;
+    int ParentID;
+    std::vector<int> ChildIDs;
+};
 
 CPropertyModel::CPropertyModel(QObject *pParent)
     : QAbstractItemModel(pParent)
diff --git a/src/Editor/PropertyEdit/CPropertyModel.h b/src/Editor/PropertyEdit/CPropertyModel.h
index bafcc6d7..dcea9453 100644
--- a/src/Editor/PropertyEdit/CPropertyModel.h
+++ b/src/Editor/PropertyEdit/CPropertyModel.h
@@ -6,7 +6,6 @@
 #include <QFont>
 #include <QList>
 #include <QMap>
-#include <vector>
 
 class CGameProject;
 class CScriptObject;
@@ -16,13 +15,7 @@ class CPropertyModel : public QAbstractItemModel
 {
     Q_OBJECT
 
-    struct SProperty
-    {
-        IProperty* pProperty;
-        QModelIndex Index;
-        int ParentID;
-        std::vector<int> ChildIDs;
-    };
+    struct SProperty;
     QList<SProperty> mProperties;
     QMap<const IProperty*, int> mPropertyToIDMap;
     int mFirstUnusedID = -1;