diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d3671341..fedd5d55 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -127,9 +127,9 @@ jobs:
           until: "2022-08-20"
 
       - name: Check output
-        if: "!contains(steps.changed-files-until.outputs.all_changed_files, 'entrypoint.sh')"
+        if: "!contains(steps.changed-files-until.outputs.all_changed_files, 'README.md')"
         run: |
-          echo "Invalid output: Expected to include (entrypoint.sh) got (${{ steps.changed-files-until.outputs.all_changed_files }})"
+          echo "Invalid output: Expected to include (README.md) got (${{ steps.changed-files-until.outputs.all_changed_files }})"
           exit 1
         shell:
           bash
diff --git a/diff-sha.sh b/diff-sha.sh
index 443d3b59..3029cdda 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -45,8 +45,6 @@ fi
 
 if [[ -z $GITHUB_BASE_REF ]]; then
   echo "Running on a push event..."
-  TARGET_BRANCH=${GITHUB_REF/refs\/heads\//} && exit_status=$? || exit_status=$?
-  CURRENT_BRANCH=$TARGET_BRANCH && exit_status=$? || exit_status=$?
 
   echo "::debug::Getting HEAD SHA..."
   if [[ -n "$INPUT_UNTIL" ]]; then
@@ -67,6 +65,9 @@ if [[ -z $GITHUB_BASE_REF ]]; then
     fi
   fi
 
+  TARGET_BRANCH=$(git name-rev --name-only "$CURRENT_SHA" 2>&1) && exit_status=$? || exit_status=$?
+  CURRENT_BRANCH=$TARGET_BRANCH && exit_status=$? || exit_status=$?
+
   echo "::debug::Verifying the current commit SHA: $CURRENT_SHA"
   git rev-parse --quiet --verify "$CURRENT_SHA^{commit}" 1>/dev/null 2>&1 && exit_status=$? || exit_status=$?
 
@@ -127,8 +128,6 @@ if [[ -z $GITHUB_BASE_REF ]]; then
     # shellcheck disable=SC2086
     git fetch $EXTRA_ARGS -u --progress --deepen="$INPUT_FETCH_DEPTH"
     PREVIOUS_SHA=$INPUT_BASE_SHA
-    TARGET_BRANCH=$(git name-rev --name-only "$PREVIOUS_SHA" 2>&1) && exit_status=$? || exit_status=$?
-    CURRENT_BRANCH=$TARGET_BRANCH
   fi
 
   echo "::debug::Target branch $TARGET_BRANCH..."