diff --git a/app/dialplan/dialplan_edit.php b/app/dialplan/dialplan_edit.php
index 7cef5d08cd..d2d0c89245 100644
--- a/app/dialplan/dialplan_edit.php
+++ b/app/dialplan/dialplan_edit.php
@@ -303,7 +303,9 @@
 				$details[$group][$x]['dialplan_detail_order'] = $dialplan_detail_order;
 		}
 	//sort the details array by group number
-		ksort($details);
+		if (is_array($details)) {
+			ksort($details);
+		}
 
 //show the header
 	require_once "resources/header.php";