1 files changed, 1 insertions, 1 deletions
diff --git a/scd/app.c b/scd/app.c
index 2c8c915d7..f27b400b1 100644
--- a/scd/app.c
+++ b/scd/app.c
@@ -357,7 +357,7 @@ app_munge_serialno (app_t app)
 gpg_error_t 
 app_get_serial_and_stamp (app_t app, char **serial, time_t *stamp)
 {
-  unsigned char *buf, *p;
+  char *buf, *p;
   int i;
 
   if (!app || !serial)