diff --git a/src/lib/testsuite/test_config.c b/src/lib/testsuite/test_config.c
index 1ac5eb4..27de22b 100644
--- a/src/lib/testsuite/test_config.c
+++ b/src/lib/testsuite/test_config.c
@@ -41,7 +41,7 @@ static void test_persistence_constants(void)
     TEST_ASSERT_TRUE(DEFAULT_SNAP_KEEP_N == 2);
     TEST_ASSERT_TRUE(DEFAULT_FINISHED_RETAIN_S == 3600);
     TEST_ASSERT_TRUE(DEFAULT_WORKER_RETAIN_S == 86400);
-    TEST_ASSERT_TRUE(DEFAULT_SYNC_TIMEOUT_MS == 50);
+    TEST_ASSERT_TRUE(DEFAULT_SYNC_TIMEOUT_MS == 500);
     TEST_ASSERT_TRUE(DEFAULT_HB_INTERVAL_MS == 3000);
     TEST_ASSERT_TRUE(DEFAULT_TRANSIENT_JOB_TIMEOUT_S == 300);
     TEST_ASSERT_TRUE(WAL_HDR_CRC_SIZE == 32);