diff --git a/app/extensions/extension_edit.php b/app/extensions/extension_edit.php
index 9e0fe3aa2e..0298f074e6 100644
--- a/app/extensions/extension_edit.php
+++ b/app/extensions/extension_edit.php
@@ -686,10 +686,8 @@
 											$array["voicemails"][$i]["voicemail_description"] = $description;
 
 										//make sure the voicemail directory exists
-											if (is_numeric($voicemail_id)) {
-												if (!file_exists($_SESSION['switch']['voicemail']['dir']."/default/".$_SESSION['domain_name']."/".$voicemail_id)) {
-													mkdir($_SESSION['switch']['voicemail']['dir']."/default/".$_SESSION['domain_name']."/".$voicemail_id, 0770, true);
-												}
+											if (!file_exists($_SESSION['switch']['voicemail']['dir']."/default/".$_SESSION['domain_name']."/".$voicemail_id)) {
+												mkdir($_SESSION['switch']['voicemail']['dir']."/default/".$_SESSION['domain_name']."/".$voicemail_id, 0770, true);
 											}
 
 									}