diff --git a/action.yml b/action.yml
index 7921115..3ccaeeb 100644
--- a/action.yml
+++ b/action.yml
@@ -13,7 +13,7 @@ inputs:
     description: "list of tags"
     required: true
 outputs:
-  differs:
+  exist:
     description: "Returns either true or false"
     value: ${{ steps.check.outputs.differs }}
 
diff --git a/check.sh b/check.sh
index f06c21b..67a577a 100755
--- a/check.sh
+++ b/check.sh
@@ -2,7 +2,7 @@
 
 set -e
 
-TAGS=$((skopeo list-tags $1 || echo '{"Tags":[]}' )| jq '["alatest","latest"] - .Tags')
+TAGS=$( (skopeo list-tags $1 || echo '{"Tags":[]}' )| jq '["alatest","latest"] - .Tags')
 echo $TAGS | jq '"Tag not found: "+ .[]'
 RESULT=$($TAGS | jq '.==[]')
 if $RESULT == "true"