diff --git a/npa/src/opensc b/npa/src/opensc
index 72b5d8f..622b719 160000
--- a/npa/src/opensc
+++ b/npa/src/opensc
@@ -1 +1 @@
-Subproject commit 72b5d8fe9adcd5ae3ecb89b4c617151222e44c8b
+Subproject commit 622b71970f3ab3e42341b3655aa59e5420369d28
diff --git a/npa/src/scutil.c b/npa/src/scutil.c
index 8b9c0a3..520b1ad 100644
--- a/npa/src/scutil.c
+++ b/npa/src/scutil.c
@@ -58,7 +58,7 @@ int initialize(int reader_id, int verbose,
     }
 
     (*ctx)->debug = verbose;
-	(*ctx)->enable_default_driver = 1;
+	(*ctx)->flags |= SC_CTX_FLAG_ENABLE_DEFAULT_DRIVER;
 
     reader_count = sc_ctx_get_reader_count(*ctx);
 
@@ -156,7 +156,7 @@ int print_avail(int verbose)
         return 1;
     }
     ctx->debug = verbose;
-	ctx->enable_default_driver = 1;
+	ctx->flags |= SC_CTX_FLAG_ENABLE_DEFAULT_DRIVER;
 
     r = list_readers(ctx);