diff --git a/lib/Doctrine/DBAL/Query/Expression/CompositeExpression.php b/lib/Doctrine/DBAL/Query/Expression/CompositeExpression.php
index 937726f044f..4d2766d4e4a 100644
--- a/lib/Doctrine/DBAL/Query/Expression/CompositeExpression.php
+++ b/lib/Doctrine/DBAL/Query/Expression/CompositeExpression.php
@@ -115,7 +115,7 @@ public function count()
      */
     public function __toString()
     {
-        if (count($this->parts) === 1) {
+        if ($this->count() === 1) {
             return (string) $this->parts[0];
         }