diff --git a/.github/workflows/nix-flake-build.yaml b/.github/workflows/nix-flake-build.yaml
index 3721a9e..59a487e 100644
--- a/.github/workflows/nix-flake-build.yaml
+++ b/.github/workflows/nix-flake-build.yaml
@@ -6,10 +6,7 @@ on:
       runner:
         default: ubuntu-latest-amd64
         required: false
-        type: choice
-        options:
-        - ubuntu-latest-amd64
-        - ubuntu-latest-arm64
+        type: string
 
       package:
         default: ''
diff --git a/.github/workflows/nix-flake-check.yaml b/.github/workflows/nix-flake-check.yaml
index 8c565ae..b2fc68e 100644
--- a/.github/workflows/nix-flake-check.yaml
+++ b/.github/workflows/nix-flake-check.yaml
@@ -6,14 +6,12 @@ on:
       runner:
         default: ubuntu-latest-amd64
         required: false
-        type: choice
-        options:
-        - ubuntu-latest-amd64
-        - ubuntu-latest-arm64
+        type: string
 
 jobs:
   check:
     runs-on: "${{ inputs.runner }}"
+
     steps:
     - uses: actions/checkout@v3
     - name: Install Nix