Index: src/core.js
===================================================================
--- src/core.js	(revision 3845)
+++ src/core.js	(working copy)
@@ -749,7 +749,7 @@
 			elem.style[ name ] = elem.style[ "old" + name ];
 	},
 
-	css: function( elem, name ) {
+	css: function( elem, name, force ) {
 		if ( name == "height" || name == "width" ) {
 			var old = {}, height, width;
 
@@ -799,7 +799,7 @@
 				width;
 		}
 
-		return jQuery.curCSS( elem, name );
+		return jQuery.curCSS( elem, name, force );
 	},
 
 	curCSS: function( elem, name, force ) {
Index: src/fx.js
===================================================================
--- src/fx.js	(revision 3845)
+++ src/fx.js	(working copy)
@@ -254,8 +254,8 @@
 		if ( this.elem[this.prop] != null && this.elem.style[this.prop] == null )
 			return this.elem[ this.prop ];
 
-		var r = parseFloat(jQuery.curCSS(this.elem, this.prop, force));
-		return r && r > -10000 ? r : parseFloat(jQuery.css(this.elem, this.prop)) || 0;
+		var r = parseFloat(jQuery.css(this.elem, this.prop, force));
+		return r && r > -10000 ? r : parseFloat(jQuery.curCSS(this.elem, this.prop)) || 0;
 	},
 
 	// Start an animation from one number to another