diff --git a/update_attempter.h b/update_attempter.h
index ec4cba2..f29b4e8 100644
--- a/update_attempter.h
+++ b/update_attempter.h
@@ -30,7 +30,7 @@
 struct UpdateEngineService;
 
 namespace policy {
-  class PolicyProvider;
+class PolicyProvider;
 }
 
 namespace chromeos_update_engine {