diff --git a/etc/mk.conf b/etc/mk.conf
index f8ea31c88..e9d0c4a05 100644
--- a/etc/mk.conf
+++ b/etc/mk.conf
@@ -1,5 +1,5 @@
 MAKEVERBOSE?=	1
 
-.ifdef BSD_PKG_MK
+.if defined(BSD_PKG_MK) && "${PROG:U}" != "pkgin"
 .error Please use bmake for pkgsrc instead of the base system make.
 .endif