diff --git a/usr.bin/m4/Makefile b/usr.bin/m4/Makefile
index ce50d6c16a72..1f1ec5e0f6de 100644
--- a/usr.bin/m4/Makefile
+++ b/usr.bin/m4/Makefile
@@ -6,6 +6,7 @@
 
 PROG=	m4
 CFLAGS+=-DEXTENDED -I${.CURDIR} -I${.CURDIR}/lib
+DPADD=	${LIBY} ${LIBL} ${LIBM}
 LDADD=	-ly -ll -lm
 # clang needs 1 while with gcc we can use 2
 #WARNS=	1