diff --git a/src/adapter.c b/src/adapter.c
index 16da200..c4d5ad2 100644
--- a/src/adapter.c
+++ b/src/adapter.c
@@ -3607,16 +3607,14 @@ static void add_uuid_to_uuid_set(void *data, void *user_data)
 static guint bt_uuid_hash(gconstpointer key)
 {
 	const bt_uuid_t *uuid = key;
-	bt_uuid_t uuid_128;
-	uint64_t *val;
+	uint64_t uuid_128[2];
 
 	if (!uuid)
 		return 0;
 
-	bt_uuid_to_uuid128(uuid, &uuid_128);
-	val = (uint64_t *)&uuid_128.value.u128;
+	bt_uuid_to_uuid128(uuid, (bt_uuid_t *)uuid_128);
 
-	return g_int64_hash(val) ^ g_int64_hash(val+1);
+	return g_int64_hash(uuid_128) ^ g_int64_hash(uuid_128+1);
 }
 
 static gboolean bt_uuid_equal(gconstpointer v1, gconstpointer v2)