diff --git a/src/backend/utils/adt/pg_locale_icu.c b/src/backend/utils/adt/pg_locale_icu.c
index f5a0cc8fe415..fda4b2574c76 100644
--- a/src/backend/utils/adt/pg_locale_icu.c
+++ b/src/backend/utils/adt/pg_locale_icu.c
@@ -471,7 +471,7 @@ make_icu_collator(const char *iculocstr, const char *icurules)
 
 		status = U_ZERO_ERROR;
 		collator_all_rules = ucol_openRules(all_rules, u_strlen(all_rules),
-											UCOL_DEFAULT, UCOL_DEFAULT_STRENGTH,
+											UCOL_DEFAULT, UCOL_DEFAULT,
 											NULL, &status);
 		if (U_FAILURE(status))
 		{