diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1b91371266..3c574d1233 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -547,7 +547,7 @@ jobs:
         shell: bash
         run: |
           URL="https://api.github.com/repos/${{ github.repository }}/commits/${{ github.sha }}"
-          if [$(curl -s -X GET -G $URL | jq -r '.files[].filename' | grep -q "cpanfile")]; then
+          if [ -n "$(curl -s -X GET -G $URL | jq -r '.files[].filename' | grep -q "cpanfile")" ]; then
             echo ::set-output name=MUST_TRIGGER::1
           fi