diff --git a/libexec/dma/Makefile b/libexec/dma/Makefile
index d28d2036e197..a4884afefbd3 100644
--- a/libexec/dma/Makefile
+++ b/libexec/dma/Makefile
@@ -5,7 +5,9 @@
 CFLAGS=	-I${.CURDIR}/../../contrib/dma \
 	-DHAVE_REALLOCF -DHAVE_STRLCPY -DHAVE_GETPROGNAME \
 	-DCONF_PATH='"/etc/dma"' \
-	-DLIBEXEC_PATH='"/usr/libexec"' -DDMA_VERSION='"v0.9+"'
+	-DLIBEXEC_PATH='"/usr/libexec"' -DDMA_VERSION='"v0.9+"' \
+	-DDMA_ROOT_USER='"mailnull"' \
+	-DDMA_GROUP='"mail"'
 DPADD=	${LIBSSL} ${LIBCRYPTO}
 LDADD=	-lssl -lcrypto