diff --git a/.github/workflows/build-docker.yml b/.github/workflows/build-docker.yml
index da7389a7..08d3acfe 100644
--- a/.github/workflows/build-docker.yml
+++ b/.github/workflows/build-docker.yml
@@ -76,7 +76,7 @@ jobs:
                           --format="value(vulnerability.effectiveSeverity)")
           # Check if CRITICAL vulnerability is found
           chk=$(echo "$severity" | grep -c "CRITICAL")
-          if [ "$chk" -gt 5 ]; then
+          if [ $chk -gt 5 ]; then
               echo "Failed vulnerability check for CRITICAL level"
               exit 1
           else