man: build insmod man page
diff --git a/man/Makefile.am b/man/Makefile.am
index 2ce9f6e..632b6a0 100644
--- a/man/Makefile.am
+++ b/man/Makefile.am
@@ -1,5 +1,5 @@
 MAN5 = depmod.d.5 modprobe.d.5 modules.dep.5
-MAN8 = depmod.8
+MAN8 = depmod.8 insmod.8
 
 dist_man_MANS = $(MAN5) $(MAN8) $(MAN_STUB)