X-Git-Url: http://git.roojs.org/?p=app.Builder.js;a=blobdiff_plain;f=tools%2Fbuild_gtk_tree.js;h=23800b26d5cac8cb96a089947e12e18e8b7f0ca5;hp=35a5c7b0b6bb608b3f4a9cee33f150a4cd410d84;hb=8de2bab7499488557634372c3d8084c4e8791a23;hpb=a995e169532d8939be252d3aade1763e68a73921

diff --git a/tools/build_gtk_tree.js b/tools/build_gtk_tree.js
index 35a5c7b0b..23800b26d 100644
--- a/tools/build_gtk_tree.js
+++ b/tools/build_gtk_tree.js
@@ -340,7 +340,8 @@ right:
         }
 		
 		for(var dupe in usage) {
-			if (usage[par].join(',') == usage[dupe].join(',')) {
+			if (usage[par].join(',') == usage[dupe].join(',') &&
+				typeof(nusage[par]) != 'undefined') {
 				usage_left[par] = dupe;
 				break;
 			}