1 files changed, 1 insertions, 1 deletions

diff --git a/src/include/gnunet_testing_netjail_lib.h b/src/include/gnunet_testing_netjail_lib.h
index 7ec6b294b..011db00f8 100644
--- a/src/include/gnunet_testing_netjail_lib.h
+++ b/src/include/gnunet_testing_netjail_lib.h
@@ -483,7 +483,7 @@ GNUNET_TESTING_cmd_local_test_prepared (const char *label,
 #define GNUNET_TESTING_SIMPLE_NETJAIL_TRAITS(op) \
   op (test_system, const struct GNUNET_TESTING_System) \
   op (async_context, const struct GNUNET_TESTING_AsyncContext) \
-  op (helper_handles, const void *) \
+  op (helper_handles, const struct GNUNET_HELPER_Handle *) \
   op (local_prepared_state, const struct LocalPreparedState) \
   op (block_state, const struct BlockState)