diff --git a/crates/onyx-core/src/sync.rs b/crates/onyx-core/src/sync.rs
index 7d50be7..307337e 100644
--- a/crates/onyx-core/src/sync.rs
+++ b/crates/onyx-core/src/sync.rs
@@ -528,14 +528,7 @@ impl SyncState {
     pub fn save(&self, workspace_path: &Path) -> Result<()> {
         let state_path = workspace_path.join(".syncstate.json");
         let content = serde_json::to_string_pretty(self)?;
-        // Atomic write: write to temp file then rename to prevent corruption on crash
-        let temp_path = workspace_path.join(".syncstate.json.tmp");
-        std::fs::write(&temp_path, &content)?;
-        if let Err(e) = std::fs::rename(&temp_path, &state_path) {
-            // Clean up temp file on rename failure to prevent accumulation
-            let _ = std::fs::remove_file(&temp_path);
-            return Err(e.into());
-        }
+        atomic_write(&state_path, content.as_bytes())?;
         Ok(())
     }