diff --git a/src/Psalm/Internal/Analyzer/MethodComparator.php b/src/Psalm/Internal/Analyzer/MethodComparator.php
index 499850cc8ef..a0c3e662198 100644
--- a/src/Psalm/Internal/Analyzer/MethodComparator.php
+++ b/src/Psalm/Internal/Analyzer/MethodComparator.php
@@ -890,7 +890,10 @@ private static function compareMethodSignatureReturnTypes(
             : (!$implementer_signature_return_type
                 && $guide_signature_return_type->isMixed()
                 ? false
-                : UnionTypeComparator::isContainedByInPhp($implementer_signature_return_type, $guide_signature_return_type)
+                : UnionTypeComparator::isContainedByInPhp(
+                    $implementer_signature_return_type,
+                    $guide_signature_return_type
+                )
             );
 
         if (!$is_contained_by) {