diff --git a/.github/workflows/docker-images-nightly.yml b/.github/workflows/docker-images-nightly.yml
index b7fcb2800f..b7189637a1 100644
--- a/.github/workflows/docker-images-nightly.yml
+++ b/.github/workflows/docker-images-nightly.yml
@@ -25,7 +25,7 @@ jobs:
         name: Checkout
         uses: actions/checkout@v2
         with:
-          ref: ${{ github.event.inputs.branch }}
+          ref: ${{ github.event.inputs.branch || 'master' }}
       -
         name: Set up QEMU
         uses: docker/setup-qemu-action@v1
@@ -46,4 +46,4 @@ jobs:
           file: ./docker/images/n8n-custom/Dockerfile
           platforms: linux/amd64
           push: true
-          tags: n8nio/n8n:${{ github.event.inputs.tag }}
+          tags: n8nio/n8n:${{ github.event.inputs.tag || 'nightly' }}