diff --git a/Makefile b/Makefile
index 0bc9d39..b31adab 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@ CFLAGS = -Wall -O2
 
 all:	comedilib
 
-SUBDIRS= lib demo comedi_calibrate testing
+SUBDIRS= lib demo comedi_calibrate testing comedi_config
 
 DOCFILES= README INSTALL `find doc -type f`