diff --git a/action.yml b/action.yml
index 900c8be..6e2d215 100644
--- a/action.yml
+++ b/action.yml
@@ -89,7 +89,7 @@ runs:
       shell: bash
 
     - run: |
-        if [ ! -f "ape-config.yaml" ]; then
+        if [[ ! -f "ape-config.yaml" ]]; then
           version_present=0
         else
           version_present=$(sed -n '/^plugins:/,/^[^ ]/{/version:/p}' "ape-config.yaml" | grep -c version)