diff --git a/src/Makefile.mak b/src/Makefile.mak
index 873a585c..cc12e3bd 100644
--- a/src/Makefile.mak
+++ b/src/Makefile.mak
@@ -1,5 +1,5 @@
 
-SUBDIRS = include common scconf libopensc tools
+SUBDIRS = include common scconf libopensc tools pkcs11
 
 all::