diff --git a/src/meas_lat.c b/src/meas_lat.c
index 2672ef4..c29d67a 100644
--- a/src/meas_lat.c
+++ b/src/meas_lat.c
@@ -486,6 +486,7 @@ int main(int argc, char** argv) {
   struct evt_core_ctx evts = {0};
   struct tor_os_str tos = {0};
   struct tor_ctl tctl = {0};
+  tctl.os_endpoint = "127.0.0.1";
 
   // 1. Parse parameters
   while ((opt = getopt(argc, argv, "vq:h:p:c:s:i:t:ln")) != -1) {
diff --git a/src/tor_echo.c b/src/tor_echo.c
index aa445ac..2d078ea 100644
--- a/src/tor_echo.c
+++ b/src/tor_echo.c
@@ -97,6 +97,7 @@ int main(int argc, char** argv) {
   uint16_t port = 7500;
   struct tor_os_str tos;
   struct tor_ctl tctl;
+  tctl.os_endpoint = "127.0.0.1";
   enum TOR_ONION_FLAGS tof = TOR_ONION_FLAG_NONE;
   char url[1024];
   struct torecho_ctx tctx = {0};