diff --git a/daemon/face/face.hpp b/daemon/face/face.hpp
index 994bc78..543fc81 100644
--- a/daemon/face/face.hpp
+++ b/daemon/face/face.hpp
@@ -86,7 +86,7 @@
   // receiveData();
   
 private:
-  FaceId
+  void
   setId(FaceId faceId);
 
 private: