diff --git a/src/Jenssegers/Mongodb/Query/Builder.php b/src/Jenssegers/Mongodb/Query/Builder.php
index c7600dee9..9365fc7c1 100644
--- a/src/Jenssegers/Mongodb/Query/Builder.php
+++ b/src/Jenssegers/Mongodb/Query/Builder.php
@@ -774,7 +774,7 @@ protected function compileWheres()
             }
 
             // Convert id's.
-            if (isset($where['column']) and ($where['column'] == '_id' or ends_with($where['column'], '._id')))
+            if (isset($where['column']) and ($where['column'] == '_id' or ends_with($where['column'], '_id')))
             {
                 // Multiple values.
                 if (isset($where['values']))