diff --git a/src/mkfile b/src/mkfile
index 790f0f60..d77b3305 100644
--- a/src/mkfile
+++ b/src/mkfile
@@ -8,6 +8,7 @@ DIRS=\
 	libframe\
 	libhttpd\
 #	libip\
+	libplumb\
 	libregexp\
 	libsec\
 	libthread\