diff --git a/.github/workflows/style.yml b/.github/workflows/style.yml
index 1c6e968..3aad1f0 100644
--- a/.github/workflows/style.yml
+++ b/.github/workflows/style.yml
@@ -1,5 +1,11 @@
 name: Check *.nix files format
-on: [push, pull_request]
+on:
+  pull_request:
+    paths:
+      - "**.nix "
+  push:
+    paths:
+      - "**.nix"
 
 jobs:
   check-formatting: