diff --git a/.github/workflows/rustfmt.yml b/.github/workflows/rustfmt.yml
index f1b79e1e..7e03f571 100644
--- a/.github/workflows/rustfmt.yml
+++ b/.github/workflows/rustfmt.yml
@@ -29,4 +29,5 @@ jobs:
 
       - uses: LoliGothick/rustfmt-check@master
         with:
-          token: ${{ github.token }}
\ No newline at end of file
+          token: ${{ github.token }}
+          working-directory: userspace/ksud
\ No newline at end of file
diff --git a/userspace/ksud/src/event.rs b/userspace/ksud/src/event.rs
index 20074b95..3a8c0827 100644
--- a/userspace/ksud/src/event.rs
+++ b/userspace/ksud/src/event.rs
@@ -29,8 +29,8 @@ pub fn mount_systemlessly(module_dir: &str) -> Result<()> {
     // construct overlay mount params
     let dir = std::fs::read_dir(module_dir);
     let Ok(dir) = dir else {
-            bail!("open {} failed", defs::MODULE_DIR);
-        };
+        bail!("open {} failed", defs::MODULE_DIR);
+    };
 
     let mut system_lowerdir: Vec<String> = Vec::new();