diff --git a/libguile/Makefile.am b/libguile/Makefile.am
index 05f4281bf..a8b04ebf4 100644
--- a/libguile/Makefile.am
+++ b/libguile/Makefile.am
@@ -223,5 +223,5 @@ MOSTLYCLEANFILES = \
 
 CLEANFILES = libpath.h
 
-DISTCLEANFILES = *.x
+DISTCLEANFILES = *.x *.doc