Fix guard in SHA-512 tests
diff --git a/tests/suites/test_suite_shax.function b/tests/suites/test_suite_shax.function
index a5a7b68..ead6d9e 100644
--- a/tests/suites/test_suite_shax.function
+++ b/tests/suites/test_suite_shax.function
@@ -46,7 +46,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_SHA256_C */
+/* BEGIN_CASE depends_on:MBEDTLS_SHA512_C */
 void sha512_valid_param( )
 {
     TEST_VALID_PARAM( mbedtls_sha512_free( NULL ) );