diff --git a/gdb/config/delta88.mh b/gdb/config/delta88.mh
index b089f6694fa..ce4f37c1389 100644
--- a/gdb/config/delta88.mh
+++ b/gdb/config/delta88.mh
@@ -7,3 +7,4 @@ ALLOCA=alloca.o
 ALLOCA1=alloca.o
 # Have to use /bin/nm because a bfd nm won't do the right thing
 MUNCH_DEFINE=MUNCH_NM=/bin/nm
+M_INSTALL=cp gdb.z $(ddestdir)/man/man1