diff --git a/.github/workflows/manual-test.yml b/.github/workflows/manual-test.yml
new file mode 100644
index 00000000..dc45d1cf
--- /dev/null
+++ b/.github/workflows/manual-test.yml
@@ -0,0 +1,29 @@
+name: Manual Test
+
+on:
+  workflow_dispatch:
+
+jobs:
+  test:
+    name: Test changed-files
+    runs-on: ${{ matrix.platform }}
+    strategy:
+      fail-fast: false
+      max-parallel: 4
+      matrix:
+        platform: [ubuntu-latest, windows-latest, macos-latest, macos-11, ubuntu-18.04, windows-2022]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          submodules: true
+          fetch-depth: 0
+
+      - name: Run changed-files with defaults
+        id: changed-files
+        uses: ./
+
+      - name: Show output
+        run: |
+          echo '${{ toJSON(steps.changed-files.outputs) }}'
diff --git a/entrypoint.sh b/entrypoint.sh
index defd82b8..184e0a21 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -46,7 +46,12 @@ function get_renames() {
     )
     fi
   done < <(git submodule | awk '{print $2}')
-  git log --name-status --ignore-submodules=all "$base".."$sha" | grep -E "^R" | awk -F '\t' -v d="$INPUT_OLD_NEW_SEPARATOR" '{print $2d$3}'
+  
+  if [ -n "$(git log --name-status --ignore-submodules=all "$base".."$sha")" ]; then
+    git log --name-status --ignore-submodules=all "$base".."$sha" | grep -E "^R" | awk -F '\t' -v d="$INPUT_OLD_NEW_SEPARATOR" '{print $2d$3}'
+  else
+    git diff --diff-filter=R --name-status --ignore-submodules=all "$base" "$sha" | grep -E "^R" | awk -F '\t' -v d="$INPUT_OLD_NEW_SEPARATOR" '{print $2d$3}'
+  fi
 }
 
 echo "::group::changed-files"
diff --git a/test/test rename 1.txt b/test/test rename-1.txt
similarity index 100%
rename from test/test rename 1.txt
rename to test/test rename-1.txt