diff --git a/scripts/update.sh b/scripts/update.sh
index a481da7..a86afd2 100755
--- a/scripts/update.sh
+++ b/scripts/update.sh
@@ -1,13 +1,4 @@
-#!/bin/bash -eEu
-
-HEAD=$(git rev-parse HEAD)
-shopt -s inherit_errexit
-on_error() {
-    echo "[Err] Revert changes" >&2
-    git reset --hard "${HEAD}"
-    exit 1
-}
-trap on_error ERR
+#!/bin/bash -eu
 
 TARGET=$1
 COMMIT_MSG=$2
@@ -22,7 +13,14 @@ if [ -z "$COMMIT_MSG" ]; then
   exit 1
 fi
 
-./vuln-list-update -vuln-list-dir "$VULN_LIST_DIR" -target "$TARGET"
+result=0
+./vuln-list-update -vuln-list-dir "$VULN_LIST_DIR" -target "$TARGET" || result=$?
+
+if [ $result -ne 0 ]; then
+  echo "[Err] Revert changes" >&2
+  cd "$VULN_LIST_DIR" && git reset --hard HEAD
+  exit 1
+fi
 
 cd "$VULN_LIST_DIR" || exit 1