diff --git a/src/editor/editloop.cpp b/src/editor/editloop.cpp
index 3c3c6239a..f80efdf38 100644
--- a/src/editor/editloop.cpp
+++ b/src/editor/editloop.cpp
@@ -2534,7 +2534,12 @@ void CEditor::Init()
 
 		//Wyrmgus start
 //		Map.Fields = new CMapField[Map.Info.MapWidth * Map.Info.MapHeight];
+		Map.Fields.clear();
 		Map.Fields.push_back(new CMapField[Map.Info.MapWidth * Map.Info.MapHeight]);
+		Map.Info.MapWidths.clear();
+		Map.Info.MapWidths.push_back(Map.Info.MapWidth);
+		Map.Info.MapHeights.clear();
+		Map.Info.MapHeights.push_back(Map.Info.MapHeight);
 		Map.TimeOfDaySeconds.push_back(DefaultTimeOfDaySeconds);
 		Map.TimeOfDay.push_back(NoTimeOfDay);
 		Map.Planes.push_back(NULL);