diff --git a/config.mk b/config.mk
index 069a6c2..3ad1947 100644
--- a/config.mk
+++ b/config.mk
@@ -9,6 +9,9 @@ MANPREFIX = $(PREFIX)/share/man
 
 X11INC = /usr/X11R6/include
 X11LIB = /usr/X11R6/lib
+# freebsd (comment above lines)
+#X11INC = /usr/local/include
+#X11LIB = /usr/local/lib
 
 PKG_CONFIG = pkg-config