diff --git a/boards/sim/sim/sim/configs/tcpblaster/defconfig b/boards/sim/sim/sim/configs/tcpblaster/defconfig
index a9f9664cf7..a30cee2c8a 100644
--- a/boards/sim/sim/sim/configs/tcpblaster/defconfig
+++ b/boards/sim/sim/sim/configs/tcpblaster/defconfig
@@ -102,6 +102,7 @@ CONFIG_SERIAL_TERMIOS=y
 CONFIG_SIG_DEFAULT=y
 CONFIG_SIG_EVTHREAD=y
 CONFIG_SIM_HOSTFS=y
+CONFIG_SIM_NETDEV=y
 CONFIG_STACK_COLORATION=y
 CONFIG_SYSLOG_BUFFER=y
 CONFIG_SYSLOG_CONSOLE=y