diff --git a/release/scripts/op/image.py b/release/scripts/op/image.py
index be60bb96313..fcb06afee4d 100644
--- a/release/scripts/op/image.py
+++ b/release/scripts/op/image.py
@@ -54,7 +54,12 @@ class ProjectEdit(bpy.types.Operator):
         import subprocess
 
         EXT = "tga" # until we have a way to save as another format!
-        EDITOR = "gimp" # until we have a way to set a default image edior
+        if platform == 'win32':
+            EDITOR = "C:\\Program Files\\GIMP-2.7\\bin\\gimp-2.7.exe"
+        elif platform == 'darwin':
+            EDITOR = "open"
+        else:
+            EDITOR = "gimp" # until we have a way to set a default image edior            
         
         for image in bpy.data.images:
             image.tag = True