diff --git a/source/Ox.UI/js/Bar/Ox.Resizebar.js b/source/Ox.UI/js/Bar/Ox.Resizebar.js
index c23ced3b..107a4c38 100644
--- a/source/Ox.UI/js/Bar/Ox.Resizebar.js
+++ b/source/Ox.UI/js/Bar/Ox.Resizebar.js
@@ -158,7 +158,7 @@ Ox.Resizebar = function(options, self) {
 			);
 			self.options.collapsed = !self.options.collapsed;
 			that.css({cursor: getCursor()});
-			self.$tooltip.options({title: getTitle()});
+			self.$tooltip && self.$tooltip.options({title: getTitle()});
         }
     }
 
@@ -178,9 +178,9 @@ Ox.Resizebar = function(options, self) {
     self.setOption = function(key, value) {
         if (key == 'collapsed') {
 			that.css({cursor: getCursor()});
-			self.$tooltip.options({title: getTitle()});
+			self.$tooltip && self.$tooltip.options({title: getTitle()});
         }
-    }
+    };
 
     return that;