diff --git a/include/Makefile.am b/include/Makefile.am
index f063fa53c..254cfb1e5 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -8,9 +8,10 @@ INCLUDES=-DHOST=\"@CANONICAL_HOST@\"
 
 foodir = $(includedir)
 foo_DATA = \
-	base64.h des.h error.h getarg.h gssapi.h hdb.h kafs.h		\
+	base64.h des.h error.h getarg.h gssapi.h hdb.h kafs.h	\
 	krb5-protos.h krb5-types.h krb5.h md4.h md5.h otp.h	\
 	parse_time.h parse_units.h roken.h sha.h sl.h		\
+	der.h							\
 	@EXTRA_HDRS@
 
 
@@ -66,3 +67,5 @@ sl.h:
 	$(LN_S) $(top_srcdir)/lib/sl/sl.h .
 store.h:
 	$(LN_S) $(top_srcdir)/lib/krb5/store.h .
+der.h:
+	$(LN_S) $(top_srcdir)/lib/asn1/der.h .