diff --git a/application/models/Survey.php b/application/models/Survey.php
index 37e4799dd56..168d4ca5d3e 100755
--- a/application/models/Survey.php
+++ b/application/models/Survey.php
@@ -2268,7 +2268,8 @@ public function hasPermission($sPermission, $sCRUD = 'read', $iUserID = null)
             return true;
         }
         /* Inherited by SurveysInGroup */
-        if (SurveysInGroup::model()->findByPk($this->gsid)->hasPermission('surveys', $sGlobalCRUD, $iUserID)) {
+        $sig = SurveysInGroup::model()->findByPk($this->gsid);
+        if ($sig && $sig->hasPermission('surveys', $sGlobalCRUD, $iUserID)) {
             return true;
         }
         return Permission::model()->hasPermission($this->getPrimaryKey(), 'survey', $sPermission, $sCRUD, $iUserID);