diff --git a/src/Common/JsonSchema/JsonPatch.php b/src/Common/JsonSchema/JsonPatch.php
index 88a96e97..30ec26f7 100644
--- a/src/Common/JsonSchema/JsonPatch.php
+++ b/src/Common/JsonSchema/JsonPatch.php
@@ -78,7 +78,7 @@ protected function handleObject(\stdClass $srcStruct, \stdClass $desStruct, stri
 
     protected function shouldPartiallyReplace(\stdClass $o1, \stdClass $o2): bool
     {
-        return count(array_diff_key((array) $o1, (array) $o2)) < count((array) $o1);
+        return count(array_diff_key((array) $o1, (array) $o2)) <= count((array) $o1);
     }
 
     protected function arrayDiff(array $a1, array $a2): array