diff --git a/docs/Makefile.am b/docs/Makefile.am
index d6d3c60..20fbfe1 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -16,6 +16,7 @@ EXTRA_DIST = README.dg \
 	lcdproc-config.5.in \
 	$(doxygen_input)
 
+
 ## generate man pages
 LCDd.8: LCDd.8.in
 	sed -e 's:@SYSCONFDIR@:@sysconfdir@:g' $? > $@
@@ -26,6 +27,10 @@ lcdproc.1: lcdproc.1.in
 lcdproc-config.5: lcdproc-config.5.in
 	sed -e 's:@SYSCONFDIR@:@sysconfdir@:g' $? > $@
 
+## clean generated makefiles
+CLEANFILES = LCDd.8 lcdproc.1 lcdproc-config.5
+
+
 ## convenience targets
 install-html-guides: install-html-developerguide install-html-userguide