diff --git a/glib_io_ready_handler.h b/glib_io_ready_handler.h
index 919c8c3..3a3d310 100644
--- a/glib_io_ready_handler.h
+++ b/glib_io_ready_handler.h
@@ -20,9 +20,9 @@
 // sockets and effort to working with peripheral libraries.
 class GlibIOReadyHandler : public IOHandler {
  public:
-    GlibIOReadyHandler(int fd,
-                       IOHandler::ReadyMode mode,
-                       Callback1<int>::Type *callback);
+  GlibIOReadyHandler(int fd,
+                     IOHandler::ReadyMode mode,
+                     Callback1<int>::Type *callback);
   ~GlibIOReadyHandler();
 
   virtual void Start();