diff --git a/scripts/run_compare.sh b/scripts/run_compare.sh
index 7874cf0..8e1472c 100755
--- a/scripts/run_compare.sh
+++ b/scripts/run_compare.sh
@@ -10,7 +10,7 @@
 #
 # 管道: inject → detect-batch → render-algo → montage
 
-set -euo pipefail
+set -uo pipefail
 
 BUILTIN_DIR="${1:-../../datasets/builtin}"
 OUTPUT="${2:-render_compare}"