diff --git a/tests/queries/0_stateless/00966_invalid_json_must_not_parse.reference b/tests/queries/0_stateless/00966_invalid_json_must_not_parse.reference
index f7eb44d66e0..4521d575ff3 100644
--- a/tests/queries/0_stateless/00966_invalid_json_must_not_parse.reference
+++ b/tests/queries/0_stateless/00966_invalid_json_must_not_parse.reference
@@ -4,3 +4,7 @@
 0
 0
 0
+0
+0
+0
+0
diff --git a/tests/queries/0_stateless/00966_invalid_json_must_not_parse.sql b/tests/queries/0_stateless/00966_invalid_json_must_not_parse.sql
index afcbc78cfd5..0e7fa55dbae 100644
--- a/tests/queries/0_stateless/00966_invalid_json_must_not_parse.sql
+++ b/tests/queries/0_stateless/00966_invalid_json_must_not_parse.sql
@@ -3,6 +3,8 @@ SET allow_simdjson=1;
 SELECT JSONLength('"HX-=');
 SELECT JSONLength('[9]\0\x42\xD3\x36\xE3');
 SELECT JSONLength(unhex('5B30000E06D7AA5D'));
+SELECT JSONLength('{"success"test:"123"}');
+SELECT isValidJSON('{"success"test:"123"}');
 
 
 SET allow_simdjson=0;
@@ -10,3 +12,5 @@ SET allow_simdjson=0;
 SELECT JSONLength('"HX-=');
 SELECT JSONLength('[9]\0\x42\xD3\x36\xE3');
 SELECT JSONLength(unhex('5B30000E06D7AA5D'));
+SELECT JSONLength('{"success"test:"123"}');
+SELECT isValidJSON('{"success"test:"123"}');