diff --git a/tests/suites/test_suite_x509write.function b/tests/suites/test_suite_x509write.function
index 1ab43c5..1cfa402 100644
--- a/tests/suites/test_suite_x509write.function
+++ b/tests/suites/test_suite_x509write.function
@@ -165,7 +165,7 @@
             TEST_ASSERT( x509write_crt_set_ns_cert_type( &crt, cert_type ) == 0 );
     }
 
-    ret = x509write_crt_pem( &crt, buf, sizeof(buf),
+    ret = x509write_crt_pem( &crt, buf, sizeof( buf ),
                              rnd_pseudo_rand, &rnd_info );
     TEST_ASSERT( ret == 0 );
 
@@ -173,8 +173,8 @@
 
     f = fopen( cert_check_file, "r" );
     TEST_ASSERT( f != NULL );
-    olen = fread( check_buf, 1, sizeof(check_buf), f );
-    TEST_ASSERT( olen < sizeof(check_buf) );
+    olen = fread( check_buf, 1, sizeof( check_buf ), f );
+    TEST_ASSERT( olen < sizeof( check_buf ) );
     fclose( f );
 
     TEST_ASSERT( olen >= pem_len - 1 );