Index: user_relationships_api.inc
===================================================================
--- user_relationships_api.inc	(revision 15)
+++ user_relationships_api.inc	(working copy)
@@ -99,7 +99,7 @@
   }
 
   if (!variable_get('user_relationships_allow_multiple', TRUE)) {
-    if (user_relationships_load(array('user' => $requester->uid, TRUE) || user_relationships_load(array('user' => $requestee->uid, TRUE)))) {
+    if (user_relationships_load(array('user' => $requester->uid), TRUE) || user_relationships_load(array('user' => $requestee->uid), TRUE)) {
       return t('Users are not allowed to have multiple relationships');
     }
   }