diff --git a/features/cellular/TESTS/api/cellular_sms/main.cpp b/features/cellular/TESTS/api/cellular_sms/main.cpp
index 7947696dd1..79390bc0d6 100644
--- a/features/cellular/TESTS/api/cellular_sms/main.cpp
+++ b/features/cellular/TESTS/api/cellular_sms/main.cpp
@@ -111,20 +111,20 @@ static void test_sms_initialize_pdu_mode()
 {
     nsapi_error_t err = sms->initialize(CellularSMS::CellularSMSMmodePDU);
     TEST_ASSERT(err == NSAPI_ERROR_OK || err == NSAPI_ERROR_UNSUPPORTED || (err == NSAPI_ERROR_DEVICE_ERROR &&
-                ((AT_CellularSMS *)sms)->get_device_error().errCode == SIM_BUSY));
+                                                                            ((AT_CellularSMS *)sms)->get_device_error().errCode == SIM_BUSY));
 }
 
 static void test_set_cscs()
 {
     nsapi_error_t err = sms->set_cscs("IRA");
     TEST_ASSERT(err == NSAPI_ERROR_OK || err == NSAPI_ERROR_UNSUPPORTED || (err == NSAPI_ERROR_DEVICE_ERROR &&
-                ((AT_CellularSMS *)sms)->get_device_error().errCode == SIM_BUSY));
+                                                                            ((AT_CellularSMS *)sms)->get_device_error().errCode == SIM_BUSY));
     err = sms->set_cscs("UCS2");
     TEST_ASSERT(err == NSAPI_ERROR_OK || err == NSAPI_ERROR_UNSUPPORTED || (err == NSAPI_ERROR_DEVICE_ERROR &&
-                ((AT_CellularSMS *)sms)->get_device_error().errCode == SIM_BUSY));
+                                                                            ((AT_CellularSMS *)sms)->get_device_error().errCode == SIM_BUSY));
     err = sms->set_cscs("GSM");
     TEST_ASSERT(err == NSAPI_ERROR_OK || err == NSAPI_ERROR_UNSUPPORTED || (err == NSAPI_ERROR_DEVICE_ERROR &&
-                ((AT_CellularSMS *)sms)->get_device_error().errCode == SIM_BUSY));
+                                                                            ((AT_CellularSMS *)sms)->get_device_error().errCode == SIM_BUSY));
 }
 
 static void test_set_csca()
@@ -144,7 +144,7 @@ static void test_set_cpms_me()
 {
     nsapi_error_t err = sms->set_cpms("ME", "ME", "ME");
     TEST_ASSERT(err == NSAPI_ERROR_OK || err == NSAPI_ERROR_UNSUPPORTED || (err == NSAPI_ERROR_DEVICE_ERROR &&
-                ((AT_CellularSMS *)sms)->get_device_error().errCode == SIM_BUSY));
+                                                                            ((AT_CellularSMS *)sms)->get_device_error().errCode == SIM_BUSY));
 }
 
 #ifdef MBED_CONF_APP_CELLULAR_PHONE_NUMBER