diff --git a/share/man/man9/Makefile b/share/man/man9/Makefile
index 85c23e5cd2f2..f1eb33b92c3e 100644
--- a/share/man/man9/Makefile
+++ b/share/man/man9/Makefile
@@ -75,6 +75,7 @@ MAN=	accept_filter.9 \
 	DB_COMMAND.9 \
 	DECLARE_GEOM_CLASS.9 \
 	DECLARE_MODULE.9 \
+	DEFINE_IFUNC.9 \
 	DELAY.9 \
 	devclass.9 \
 	devclass_find.9 \