diff --git a/ee/clickhouse/models/property.py b/ee/clickhouse/models/property.py
index 33b5f55feb2a7..c8a0f6fd344fb 100644
--- a/ee/clickhouse/models/property.py
+++ b/ee/clickhouse/models/property.py
@@ -233,13 +233,13 @@ def prop_filter_json_extract(
     elif operator == "is_after":
         prop_value_param_key = "v{}_{}".format(prepend, idx)
         return (
-            f"AND toDateTimeOrNull({property_expr}) > %({prop_value_param_key})s",
+            f"AND parseDateTimeBestEffortOrNull({property_expr}) > %({prop_value_param_key})s",
             {"k{}_{}".format(prepend, idx): prop.key, prop_value_param_key: prop.value},
         )
     elif operator == "is_before":
         prop_value_param_key = "v{}_{}".format(prepend, idx)
         return (
-            f"AND toDateTimeOrNull({property_expr}) < %({prop_value_param_key})s",
+            f"AND parseDateTimeBestEffortOrNull({property_expr}) < %({prop_value_param_key})s",
             {"k{}_{}".format(prepend, idx): prop.key, prop_value_param_key: prop.value},
         )
     elif operator == "gt":