diff --git a/doc/Makefile.am b/doc/Makefile.am
index a4f13ec6..e6dd83c3 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -21,7 +21,8 @@ MAN3 = zmq_bind.3 zmq_unbind.3 zmq_connect.3 zmq_disconnect.3 zmq_close.3 \
     zmq_atomic_counter_value.3 zmq_atomic_counter_destroy.3
 
 MAN7 = zmq.7 zmq_tcp.7 zmq_pgm.7 zmq_inproc.7 zmq_ipc.7 \
-    zmq_null.7 zmq_plain.7 zmq_curve.7 zmq_tipc.7 zmq_vmci.7 zmq_udp.7
+    zmq_null.7 zmq_plain.7 zmq_curve.7 zmq_tipc.7 zmq_vmci.7 zmq_udp.7 \
+    zmq_gssapi.7
 
 MAN_DOC =