diff --git a/modules/session/session.model.php b/modules/session/session.model.php
index ca1a71a3d..e19d39909 100644
--- a/modules/session/session.model.php
+++ b/modules/session/session.model.php
@@ -63,6 +63,8 @@
                 $member_keys[$val->member_srl] = $key;
             }
 
+            if(!count($member_srls)) return $output;
+
             $member_args->member_srl = implode(',',$member_srls);
             $member_output = executeQueryArray('member.getMembers', $member_args);
             if($member_output->data) {