diff --git a/query_classifier/qc_sqlite/builtin_functions.c b/query_classifier/qc_sqlite/builtin_functions.c
index 9caf4479a..971e54d1b 100644
--- a/query_classifier/qc_sqlite/builtin_functions.c
+++ b/query_classifier/qc_sqlite/builtin_functions.c
@@ -98,6 +98,7 @@ static const char* BUILTIN_FUNCTIONS[] =
     "unix_timestamp",
     "utc_date",
     "utc_time",
+    "utc_timestamp",
     "week",
     "weekday",
     "weekofyear",