diff --git a/plugins/c9.ide.ace/ace.js b/plugins/c9.ide.ace/ace.js
index d1f1e89c..4609d862 100644
--- a/plugins/c9.ide.ace/ace.js
+++ b/plugins/c9.ide.ace/ace.js
@@ -1223,8 +1223,11 @@ define(function(require, exports, module) {
             tabs.getTabs().forEach(function(tab) {
                 if (tab.editorType == "ace") {
                     var c9Session = tab.document.getSession();
-                    if (c9Session && c9Session.session)
-                        detectSyntax(c9Session, tab.path);
+                    if (c9Session && c9Session.session) {
+                        var syntax = getSyntax(c9Session, tab.path);
+                        if (syntax)
+                            c9Session.setOption("syntax", syntax);
+                    }
                 }
             });
         }, 50);
@@ -1239,6 +1242,7 @@ define(function(require, exports, module) {
             modes.byCaption[opts.caption] = opts;
             modes.byName[name] = opts;
             
+            opts.order = opts.order || 0;
             if (!opts.extensions)
                 opts.extensions = "";
                 
diff --git a/plugins/c9.ide.plugins/debug.js b/plugins/c9.ide.plugins/debug.js
index f9c8729e..1e7b358e 100644
--- a/plugins/c9.ide.plugins/debug.js
+++ b/plugins/c9.ide.plugins/debug.js
@@ -327,10 +327,10 @@ define(function(require, exports, module) {
                     });
                     
                     services.ace.defineSyntax({
-                        name: join(pluginName, "modes", path),
+                        name: path,
                         caption: mode.caption,
                         extensions: (mode.extensions || "").trim()
-                            .replace(/\s*,\s*/g, "|")
+                            .replace(/\s*,\s*/g, "|").replace(/(^|\|)\./g, "$1")
                     });
                     break;
                 case "outline":