diff --git a/.github/workflows/nix-build.yml b/.github/workflows/nix-build.yml
index 08e0dd7d..e05938dc 100644
--- a/.github/workflows/nix-build.yml
+++ b/.github/workflows/nix-build.yml
@@ -8,6 +8,7 @@ on:
   workflow_dispatch:
 jobs:
   default-build:
+    if: contains(github.event.head_commit.message, 'flake/') || contains(github.event.head_commit.message, 'flake.nix') || contains(github.event.head_commit.message, 'flake.lock')
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@main