diff --git a/tests/integration_tests/fail_over_ddl_mix/run.sh b/tests/integration_tests/fail_over_ddl_mix/run.sh
index 50031cb248..4b8cd238ca 100755
--- a/tests/integration_tests/fail_over_ddl_mix/run.sh
+++ b/tests/integration_tests/fail_over_ddl_mix/run.sh
@@ -218,7 +218,7 @@ main() {
 
 	sleep 30
 
-	check_sync_diff $WORK_DIR $CUR/conf/diff_config.toml 500
+	check_sync_diff $WORK_DIR $CUR/conf/diff_config.toml 1000
 
 	checkpoint1=$(cdc_cli_changefeed query -c "test" 2>&1 | grep -v "Command to ticdc" | jq '.checkpoint_tso')
 	sleep 20