diff --git a/lib/libxpg4/Makefile b/lib/libxpg4/Makefile
index 1fe1e9a07dd4..1e5c12327509 100644
--- a/lib/libxpg4/Makefile
+++ b/lib/libxpg4/Makefile
@@ -1,9 +1,9 @@
 LIB=    xpg4
-SRCS=   setlocale.c setrunelocale.c euc.c utf2.c runetype.c \
+SRCS=   setlocale.c setrunelocale.c euc.c mskanji.c utf2.c runetype.c \
 	tolower.c toupper.c
 CFLAGS+= -Wall -DXPG4 -I${.CURDIR}/../libc/locale
 .PATH: ${.CURDIR}/../libc/locale
 
 NOMAN= YES
 
 .include <bsd.lib.mk>