Made a mistake in the patch for #3618, landing fix.

diff --git a/src/fx.js b/src/fx.js
index bc14d32..9397396 100644 (file)
--- a/src/fx.js
+++ b/src/fx.js
@@ -205,7 +205,7 @@ jQuery.extend({
                        complete: fn || !fn && easing ||
                                jQuery.isFunction( speed ) && speed,
                        duration: speed,
-                       easing: fn && easing || jQuery.isFunction(easing) && easing
+                       easing: fn && easing || easing && !jQuery.isFunction(easing) && easing
                };
 
                opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :