diff --git a/tests/suites/test_suite_x509write.function b/tests/suites/test_suite_x509write.function
index 2e59658..8e246ec 100644
--- a/tests/suites/test_suite_x509write.function
+++ b/tests/suites/test_suite_x509write.function
@@ -357,7 +357,8 @@
         x.len = MBEDTLS_OID_SIZE(oid); \
         x.p   = (unsigned char*)oid;   \
         x.tag = MBEDTLS_ASN1_OID;      \
-    } while( 0 )
+    }                                  \
+    while( 0 )
 
             if( strcmp( ext_key_usage, "serverAuth" ) == 0 )
             {