diff --git a/js/battle.js b/js/battle.js
index b7b2b945c..572c0f5c6 100644
--- a/js/battle.js
+++ b/js/battle.js
@@ -3829,7 +3829,7 @@ var Battle = (function () {
 
 				if (kwargs.silent) {
 					// do nothing
-				} else if (kwargs.zEffect) {
+				} else if (kwargs.zeffect) {
 					actions += '' + poke.getName() + ' returned its decreased stats to normal using its Z-Power!';
 					break;
 				}