1 files changed, 1 insertions, 1 deletions

diff --git a/src/nat/gnunet-service-nat_helper.h b/src/nat/gnunet-service-nat_helper.h
index d3f1a757c..026526b05 100644
--- a/src/nat/gnunet-service-nat_helper.h
+++ b/src/nat/gnunet-service-nat_helper.h
@@ -56,7 +56,7 @@ typedef void
  * @return NULL on error
  */
 struct HelperContext *
-GN_start_gnunet_nat_server_ (const char *internal_address,
+GN_start_gnunet_nat_server_ (const struct in_addr *internal_address,
                              GN_ReversalCallback cb,
                              void *cb_cls);