diff --git a/Make/makedirdefs b/Make/makedirdefs
index aa9397fec..74af94f16 100644
--- a/Make/makedirdefs
+++ b/Make/makedirdefs
@@ -53,6 +53,7 @@ PLUGIN_DIRS = \
 	dds\
 	directx\
 	dw\
+	dxf\
 	flt\
 	hdr\
 	ive\