diff --git a/tests/unit/expire.tcl b/tests/unit/expire.tcl
index 8e4954a34..62ade68f5 100644
--- a/tests/unit/expire.tcl
+++ b/tests/unit/expire.tcl
@@ -151,7 +151,7 @@ start_server {tags {"expire"}} {
         r del x
         r setex x 1 somevalue
         set ttl [r pttl x]
-        assert {$ttl > 900 && $ttl <= 1000}
+        assert {$ttl > 500 && $ttl <= 1000}
     }
 
     test {TTL / PTTL / EXPIRETIME / PEXPIRETIME return -1 if key has no expire} {