diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d4f7ade..ab52433 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,6 +16,20 @@ on:
   pull_request:
 
 jobs:
+  default:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+      -
+        name: Set up QEMU
+        id: qemu
+        uses: ./
+      -
+        name: Available platforms
+        run: echo ${{ steps.qemu.outputs.platforms }}
+
   main:
     runs-on: ubuntu-latest
     strategy:
diff --git a/__tests__/context.test.ts b/__tests__/context.test.ts
index 9049971..9e2f630 100644
--- a/__tests__/context.test.ts
+++ b/__tests__/context.test.ts
@@ -18,7 +18,7 @@ describe('getInputs', () => {
       0,
       new Map<string, string>([]),
       {
-        image: 'tonistiigi/binfmt:latest',
+        image: 'docker.io/tonistiigi/binfmt:latest',
         platforms: 'all',
       } as context.Inputs
     ],
@@ -39,7 +39,7 @@ describe('getInputs', () => {
         ['platforms', 'arm64, riscv64, arm '],
       ]),
       {
-        image: 'tonistiigi/binfmt:latest',
+        image: 'docker.io/tonistiigi/binfmt:latest',
         platforms: 'arm64,riscv64,arm',
       } as context.Inputs
     ]
diff --git a/action.yml b/action.yml
index 26b1357..f347310 100644
--- a/action.yml
+++ b/action.yml
@@ -9,7 +9,7 @@ branding:
 inputs:
   image:
     description: 'QEMU static binaries Docker image (e.g. tonistiigi/binfmt:latest)'
-    default: 'tonistiigi/binfmt:latest'
+    default: 'docker.io/tonistiigi/binfmt:latest'
     required: false
   platforms:
     description: 'Platforms to install (e.g. arm64,riscv64,arm)'
diff --git a/src/context.ts b/src/context.ts
index e116941..dc63c3d 100644
--- a/src/context.ts
+++ b/src/context.ts
@@ -8,7 +8,7 @@ export interface Inputs {
 
 export function getInputs(): Inputs {
   return {
-    image: core.getInput('image') || 'tonistiigi/binfmt:latest',
+    image: core.getInput('image') || 'docker.io/tonistiigi/binfmt:latest',
     platforms: Util.getInputList('platforms').join(',') || 'all'
   };
 }