diff --git a/src/Query/FunctionScoreQuery.php b/src/Query/FunctionScoreQuery.php
index 990297e4b1c061982ac05a8d48016ecddee0a90f..9f5c31ced198138f41ce481f105ee660ebfc9533 100644
--- a/src/Query/FunctionScoreQuery.php
+++ b/src/Query/FunctionScoreQuery.php
@@ -120,7 +120,7 @@ class FunctionScoreQuery implements BuilderInterface
             $type => array_merge(
                 [$field => $function],
                 $options
-            )
+            ),
         ];
 
         $this->applyFilter($function, $filter);