diff --git a/vbox3/Makefile.am b/vbox3/Makefile.am
index b21fde17..3ef3b09a 100644
--- a/vbox3/Makefile.am
+++ b/vbox3/Makefile.am
@@ -13,4 +13,5 @@ SUBDIRS			= vboxgetty
 ## Clean & Maintenance ###################################################
 
 CLEANFILES              = *~
-MAINTAINERCLEANFILES    = configure aclocal.m4 Makefile.in config.h.in
+MAINTAINERCLEANFILES    = configure aclocal.m4 Makefile.in config.h.in \
+			  stamp-h.in