diff --git a/js/widgets/forms/autogrow.js b/js/widgets/forms/autogrow.js
index dc97a424a3b..a3a30cbe81a 100644
--- a/js/widgets/forms/autogrow.js
+++ b/js/widgets/forms/autogrow.js
@@ -68,7 +68,7 @@ define( [
 							}, this ),
 						"transition" );
 				}
-				this._timeout();
+				this._prepareHeightUpdate();
 			}
 		},