diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index e821ef682..953a3ede5 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -5012,8 +5012,10 @@ static psa_status_t psa_tls12_prf_psk_to_ms_input(
     size_t data_length )
 {
     if( step == PSA_KEY_DERIVATION_INPUT_SECRET )
+    {
         return( psa_tls12_prf_psk_to_ms_set_key( prf, hash_alg,
                                                  data, data_length ) );
+    }
 
     return( psa_tls12_prf_input( prf, hash_alg, step, data, data_length ) );
 }
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index 8e638b68d..48f533764 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -1803,10 +1803,12 @@ void derive_key_policy( int policy_usage,
 
     if( PSA_ALG_IS_TLS12_PRF( exercise_alg ) ||
             PSA_ALG_IS_TLS12_PSK_TO_MS( exercise_alg ) )
+    {
         PSA_ASSERT( psa_key_derivation_input_bytes(
                                             &operation,
                                             PSA_KEY_DERIVATION_INPUT_SEED,
                                             (const uint8_t*) "", 0) );
+    }
 
     status = psa_key_derivation_input_key( &operation,
                                            PSA_KEY_DERIVATION_INPUT_SECRET,