diff --git a/regression-test/suites/variant_p1/doc_snapshot/load.groovy b/regression-test/suites/variant_p1/doc_snapshot/load.groovy
index 8db8e0b9731869..afc17472be527b 100644
--- a/regression-test/suites/variant_p1/doc_snapshot/load.groovy
+++ b/regression-test/suites/variant_p1/doc_snapshot/load.groovy
@@ -66,7 +66,7 @@ suite("predefine_type_multi_index_doc_value", "p1"){
                 MATCH_NAME 'actor.login' : string,
                 MATCH_NAME 'type' : string,
                 MATCH_NAME 'payload.action' : string,
-                MATCH_NAME 'created_at' : datetime,
+                MATCH_NAME 'created_at' : string,
                 MATCH_NAME 'payload.issue.number' : int,
                 MATCH_NAME 'payload.comment.body' : string,
                 MATCH_NAME 'type.name' : string