diff --git a/hack/ci/check_mods.sh b/hack/ci/check_mods.sh
index 390e3bc..fd31148 100755
--- a/hack/ci/check_mods.sh
+++ b/hack/ci/check_mods.sh
@@ -2,14 +2,8 @@
 
 set -e
 
-exit_code=0
-
 make vendor
-git diff --exit-code go.mod go.sum || exit_code=$?
-
-if [ ${exit_code} -eq 0 ]; then
-	exit 0
+if ! git diff --exit-code go.mod go.sum; then
+	echo "please run \`make mod\` and check in the changes"
+	exit 1
 fi
-
-echo "please run \`make mod\` and check in the changes"
-exit ${exit_code}