diff --git a/src/pattern.c b/src/pattern.c
index 90067cd..df915f5 100644
--- a/src/pattern.c
+++ b/src/pattern.c
@@ -2652,7 +2652,7 @@
 	struct pat_ref *ref, *ref2, *ref3;
 	struct list pr = LIST_HEAD_INIT(pr);
 
-	pat_lru_seed = random();
+	pat_lru_seed = ha_random();
 
 	list_for_each_entry(ref, &pattern_reference, list) {
 		if (ref->unique_id == -1) {