diff --git a/tools/mapmerge/Run Map Merge - DMM.bat b/tools/mapmerge/Run Map Merge - DMM.bat
new file mode 100644
index 00000000000..77eedfbff76
--- /dev/null
+++ b/tools/mapmerge/Run Map Merge - DMM.bat	
@@ -0,0 +1,5 @@
+@echo off
+set MAPROOT="../../_maps/"
+set TGM=0
+python mapmerger.py %1 %MAPROOT% %TGM%
+pause
\ No newline at end of file
diff --git a/tools/mapmerge/Run Map Merge.bat b/tools/mapmerge/Run Map Merge - TGM.bat
similarity index 100%
rename from tools/mapmerge/Run Map Merge.bat
rename to tools/mapmerge/Run Map Merge - TGM.bat
diff --git a/tools/mapmerge/map_helpers.py b/tools/mapmerge/map_helpers.py
index 522d48b82e6..ca4b8646b9a 100644
--- a/tools/mapmerge/map_helpers.py
+++ b/tools/mapmerge/map_helpers.py
@@ -123,7 +123,7 @@ def merge_map(newfile, backupfile, tgm):
         write_grid_coord_small(newfile, mergeGrid)
     else:
         write_dictionary(newfile, originalDict)
-        write_grid(newfile, originalDict)
+        write_grid(newfile, mergeGrid)
     return 1
 
 #write dictionary in tgm format