diff --git a/src/csync/vio/csync_vio_local_unix.cpp b/src/csync/vio/csync_vio_local_unix.cpp
index 705d042528..56de3250ce 100644
--- a/src/csync/vio/csync_vio_local_unix.cpp
+++ b/src/csync/vio/csync_vio_local_unix.cpp
@@ -123,8 +123,11 @@ std::unique_ptr<csync_file_stat_t> csync_vio_local_readdir(csync_vio_handle_t *h
   }
 
   // Override type for virtual files if desired
-  if (vfs)
+  if (vfs) {
+      // Directly modifiest file_stat->type.
+      // We can ignore the return value since we're done here anyway.
       vfs->statTypeVirtualFile(file_stat.get(), nullptr);
+  }
 
   return file_stat;
 }