diff --git a/base/Module.mk b/base/Module.mk
index c61cf5d0978c1238624f69503555d7aa2e204502..1aec5c33d98115202dea536a4948c6ba1378db33 100644
--- a/base/Module.mk
+++ b/base/Module.mk
@@ -26,7 +26,7 @@ BASEDO       := $(BASEDO1) $(BASEDO2) $(BASEDO3)
 BASEDH       := $(BASEDS:.cxx=.h)
 
 BASEH1       := $(wildcard $(MODDIRI)/T*.h)
-BASEH3       := GuiTypes.h KeySymbols.h
+BASEH3       := GuiTypes.h KeySymbols.h Buttons.h
 BASEH3       := $(patsubst %,$(MODDIRI)/%,$(BASEH3))
 BASEH        := $(filter-out $(MODDIRI)/LinkDef%,$(wildcard $(MODDIRI)/*.h))
 BASES        := $(filter-out $(MODDIRS)/G__%,$(wildcard $(MODDIRS)/*.cxx))
diff --git a/base/inc/LinkDef3.h b/base/inc/LinkDef3.h
index 367bc5dac5e9eeb690d69bc881c9f10840e574f0..4cbef094fa2fabaf02e336f8765b3c1ebf898dfd 100644
--- a/base/inc/LinkDef3.h
+++ b/base/inc/LinkDef3.h
@@ -1,4 +1,4 @@
-/* @(#)root/base:$Name:$:$Id:$ */
+/* @(#)root/base:$Name:  $:$Id: LinkDef3.h,v 1.1 2000/10/21 09:16:18 rdm Exp $ */
 
 /*************************************************************************
  * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers.               *
@@ -102,5 +102,6 @@
 #pragma link C++ enum EXMagic;
 #pragma link C++ enum EInitialState;
 #pragma link C++ enum EKeySym;
+#pragma link C++ enum EEventType;
 
 #endif