diff --git a/features/cellular/framework/device/CellularStateMachine.cpp b/features/cellular/framework/device/CellularStateMachine.cpp
index 050147972f..75e9416c14 100644
--- a/features/cellular/framework/device/CellularStateMachine.cpp
+++ b/features/cellular/framework/device/CellularStateMachine.cpp
@@ -385,7 +385,7 @@ bool CellularStateMachine::device_ready()
 
 #ifdef MBED_CONF_CELLULAR_RADIO_ACCESS_TECHNOLOGY
     MBED_ASSERT(MBED_CONF_CELLULAR_RADIO_ACCESS_TECHNOLOGY >= CellularNetwork::RAT_GSM &&
-            MBED_CONF_CELLULAR_RADIO_ACCESS_TECHNOLOGY < CellularNetwork::RAT_UNKNOWN);
+                MBED_CONF_CELLULAR_RADIO_ACCESS_TECHNOLOGY < CellularNetwork::RAT_UNKNOWN);
     nsapi_error_t err = _network->set_access_technology((CellularNetwork::RadioAccessTechnology)MBED_CONF_CELLULAR_RADIO_ACCESS_TECHNOLOGY);
     if (err != NSAPI_ERROR_OK && err != NSAPI_ERROR_UNSUPPORTED) {
         tr_warning("Failed to set access technology to %d", MBED_CONF_CELLULAR_RADIO_ACCESS_TECHNOLOGY);