--- pakchois.c.orig	2008-04-18 15:00:14.000000000 +0100
+++ pakchois.c	2008-04-18 15:01:01.000000000 +0100
@@ -230,7 +230,7 @@
     args.flags = CKF_OS_LOCKING_OK;          
     args.reserved = reserved;
 
-    rv = fns->C_Initialize(&args);
+    rv = fns->C_Initialize(NULL);
     if (rv != CKR_OK) {
         goto fail_ctx;
     }