1 files changed, 1 insertions, 1 deletions

diff --git a/src/include/gnunet_testing_lib.h b/src/include/gnunet_testing_lib.h
index 782eb8741..a40457a5d 100644
--- a/src/include/gnunet_testing_lib.h
+++ b/src/include/gnunet_testing_lib.h
@@ -85,7 +85,7 @@ typedef void (*GNUNET_TESTING_NotifyDaemonRunning)(void *cls,
  */
 struct GNUNET_TESTING_Daemon *
 GNUNET_TESTING_daemon_start (struct GNUNET_SCHEDULER_Handle *sched,
-                             struct GNUNET_CONFIGURATION_Handle *cfg,
+                             const struct GNUNET_CONFIGURATION_Handle *cfg,
                              const char *hostname,
                              GNUNET_TESTING_NotifyDaemonRunning cb,
                              void *cb_cls);