diff --git a/src/ap.c b/src/ap.c
index 6fcee7d6..2f1904a1 100644
--- a/src/ap.c
+++ b/src/ap.c
@@ -2319,6 +2319,8 @@ static bool ap_parse_new_station_ies(const void *data, uint16_t len,
 
 	if (rates_out)
 		*rates_out = rates;
+	else
+		l_uintset_free(rates);
 
 	return true;