diff --git a/apps/app_voicemail.c b/apps/app_voicemail.c
index 2df46ff392..04ad657f1f 100644
--- a/apps/app_voicemail.c
+++ b/apps/app_voicemail.c
@@ -1932,7 +1932,7 @@ static struct ast_vm_user *find_user_realtime_imapuser(const char *imapuser)
 		ast_variables_destroy(var);
 		return vmu;
 	} else {
-		free(vmu);
+		ast_free(vmu);
 		return NULL;
 	}
 }