diff --git a/tests/suites/test_suite_x509parse.function b/tests/suites/test_suite_x509parse.function
index eb5f1aa..a3606f2 100644
--- a/tests/suites/test_suite_x509parse.function
+++ b/tests/suites/test_suite_x509parse.function
@@ -824,10 +824,12 @@
     unsigned char *name;
     unsigned char *p;
     size_t name_len;
-    mbedtls_x509_name head = { 0 };
+    mbedtls_x509_name head;
     mbedtls_x509_name *allocated, *prev;
     int ret;
 
+    memset( &head, 0, sizeof( head ) );
+
     name = mbedtls_test_unhexify_alloc( rdn_sequence, &name_len );
     p = name;