diff --git a/lib/roken/Makefile.am b/lib/roken/Makefile.am
index 52edf6c90..297c02959 100644
--- a/lib/roken/Makefile.am
+++ b/lib/roken/Makefile.am
@@ -4,6 +4,8 @@ AUTOMAKE_OPTIONS = no-dependencies foreign
 
 INCLUDES = -I$(top_builddir)/include
 
+CLEANFILES = roken.h make-roken.c
+
 lib_LIBRARIES = libroken.a
 
 noinst_PROGRAMS = make-roken