diff --git a/action.yml b/action.yml
index e926c4f..00a6617 100644
--- a/action.yml
+++ b/action.yml
@@ -57,6 +57,6 @@ runs:
       run: |
         sudo ${{ github.action_path }}/setup-branch.sh ${{ inputs.branch }}
         git stage -A ${{ inputs.files }}
-        ${{ github.action_path }}/commit.sh "${{ inputs.message }}" ${{ inputs.allow-empty }}
+        sudo ${{ github.action_path }}/commit.sh "${{ inputs.message }}" ${{ inputs.allow-empty }}
         sudo ${{ github.action_path }}/push.sh ${{ inputs.branch }}
       shell: bash
diff --git a/commit.sh b/commit.sh
index 2325199..d71baed 100755
--- a/commit.sh
+++ b/commit.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-if [ "$2" == "true" ] || ! git diff --cached --quiet --exit-code
+if [ "$2" = "true" ] || ! git diff --cached --quiet --exit-code
 then
   git commit --allow-empty -m "$1"
 fi