diff --git a/Makefile.am b/Makefile.am
index 3bdcce21..24b25287 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -6,6 +6,7 @@ noinst_PROGRAMS = $(NULL)
 noinst_LTLIBRARIES = $(NULL)
 libexec_PROGRAMS = $(NULL)
 CLEANFILES = $(NULL)
+MAINTAINERCLEANFILES = $(NULL)
 DISTCLEANFILES= $(NULL)
 BUILT_SOURCES = $(NULL)
 EXTRA_DIST =