diff --git a/src/backend.c b/src/backend.c
index 251a7a5..87e3b9a 100644
--- a/src/backend.c
+++ b/src/backend.c
@@ -541,7 +541,7 @@
 	do {
 		prev = curr;
 		/* ensure all 32 bits are covered as long as RAND_MAX >= 65535 */
-		hash = ((uint64_t)random() * ((uint64_t)RAND_MAX + 1)) ^ random();
+		hash = ((uint64_t)ha_random() * ((uint64_t)RAND_MAX + 1)) ^ ha_random();
 		curr = chash_get_server_hash(px, hash, avoid);
 		if (!curr)
 			break;