diff --git a/plugins/validator/field_validation_unique_validator.inc b/plugins/validator/field_validation_unique_validator.inc
index e91dbdc..56ea0ba 100644
--- a/plugins/validator/field_validation_unique_validator.inc
+++ b/plugins/validator/field_validation_unique_validator.inc
@@ -82,7 +82,7 @@ class field_validation_unique_validator extends field_validation_validator {
 
     }
 
-    if (!$flag) {
+    if (!$flag && isset($matched_entities)) {
       $token = array(
         '[count]' => $count,
       );