diff --git a/ai2html.js b/ai2html.js
index 4ef9225..6d9e6f2 100644
--- a/ai2html.js
+++ b/ai2html.js
@@ -1944,7 +1944,7 @@ function getRawDocumentName() {
 }
 
 function getGroupContainerId(groupName) {
-  return nameSpace + groupName + '-box';
+  return nameSpace + makeKeyword(groupName.replace(/ +/g,"-")) + '-box';
 }
 
 // Prevent duplicate artboard names by appending width