diff --git a/cpp/devices/ctapdriver.cpp b/cpp/devices/ctapdriver.cpp
index c2d90f2f..482c6a47 100644
--- a/cpp/devices/ctapdriver.cpp
+++ b/cpp/devices/ctapdriver.cpp
@@ -134,7 +134,7 @@ bool CTapDriver::Init(const param_map &const_params)
         }
     }
     else {
-        trace(">ip addr add 10.10.20.1/24 brd + dev " + BRIDGE_INTERFACE_NAME);
+        trace(">ip addr add " + DEFAULT_IP + " brd + dev " + BRIDGE_INTERFACE_NAME);
 
         // TODO
     }