diff --git a/share/man/man4/Makefile b/share/man/man4/Makefile
index 8131675fb8e..d5e33233f52 100644
--- a/share/man/man4/Makefile
+++ b/share/man/man4/Makefile
@@ -105,6 +105,7 @@ MAN=	aac.4 \
 	ng_tty.4 \
 	ng_vjc.4 \
 	nge.4 \
+	nmdm.4 \
 	null.4 \
 	ohci.4 \
 	orm.4 \