diff --git a/src/alertify.js b/src/alertify.js
index 5e6c167e..e914a456 100644
--- a/src/alertify.js
+++ b/src/alertify.js
@@ -419,7 +419,9 @@
 					elCover.className  = "alertify-cover alertify-cover-hidden";
 					// set focus to the last element or body
 					// after the dialog is closed
-					elCallee.focus();
+					if (elCallee) {
+						elCallee.focus();	
+					}
 				}
 			},