diff --git a/editions/geospatialdemo/tiddlywiki.info b/editions/geospatialdemo/tiddlywiki.info
index 527748f49..ed9700583 100644
--- a/editions/geospatialdemo/tiddlywiki.info
+++ b/editions/geospatialdemo/tiddlywiki.info
@@ -14,7 +14,7 @@
 	],
 	"build": {
 		"index": [
-			"--render","$:/core/save/all","index.html","text/plain"],,
+			"--render","$:/core/save/all","index.html","text/plain"],
 		"external": [
 			"--render","$:/core/save/all-external-js","index.html","text/plain"
 		],