Fix for #883

[jquery.git] / src / jquery / jquery.js

diff --git a/src/jquery/jquery.js b/src/jquery/jquery.js
index 933e974..76f11d7 100644 (file)
--- a/src/jquery/jquery.js
+++ b/src/jquery/jquery.js
@@ -1281,7 +1281,7 @@ jQuery.extend({
                        var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i;
 
                        // Handle passing in a number to a CSS property
-                       if ( value.constructor == Number && type == "curCSS" && !exclude.test(prop) )
+                       if ( value && value.constructor == Number && type == "curCSS" && !exclude.test(prop) )
                                return value + "px";
 
                        return value;