diff --git a/action.yml b/action.yml
index 0bf9190..d2fa1e9 100644
--- a/action.yml
+++ b/action.yml
@@ -46,16 +46,15 @@ runs:
       id: prepared
       shell: bash
       run: |
-        echo '::group::Prepared Data'
-
         #
         # PAT
         #
-        if [ -n '${{ inputs.PERSONAL_ACCESS_TOKEN }}' ]; then
+        if [ -z '${{ inputs.PERSONAL_ACCESS_TOKEN }}' ]; then
           echo '::error title=PAT empty::You need to specify the input PERSONAL_ACCESS_TOKEN. Currently, it is an empty string.'
           exit 1
         fi
 
+        echo '::group::Prepared Data'
         #
         # Package
         #