diff --git a/tests/queries/0_stateless/01655_plan_optimizations_optimize_read_in_window_order.sh b/tests/queries/0_stateless/01655_plan_optimizations_optimize_read_in_window_order.sh
index 04a95569917..6273a4e8d39 100755
--- a/tests/queries/0_stateless/01655_plan_optimizations_optimize_read_in_window_order.sh
+++ b/tests/queries/0_stateless/01655_plan_optimizations_optimize_read_in_window_order.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# Tags: long
 
 CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 # shellcheck source=../shell_config.sh