diff --git a/doc/Makefile.am b/doc/Makefile.am
index 792b8f3e6..2dfe518ad 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -117,6 +117,7 @@ heimdal_TEXINFOS = \
 
 EXTRA_DIST = \
 	$(PROJECTS) \
+	gssapi.din \
 	hdb.din \
 	hcrypto.din \
 	heimdal.css \