diff --git a/lib/OpenLayers/BaseTypes.js b/lib/OpenLayers/BaseTypes.js
index 2b436eab28..cf766bac31 100644
--- a/lib/OpenLayers/BaseTypes.js
+++ b/lib/OpenLayers/BaseTypes.js
@@ -606,7 +606,7 @@ OpenLayers.Date = {
                 if (isNaN(date.getTime())) {
                     // ECMA-262 says throw RangeError, Firefox returns 
                     // "Invalid Date"
-                    str = "Invalid Date"
+                    str = "Invalid Date";
                 } else {
                     str = 
                         date.getUTCFullYear() + "-" +