diff --git a/tests/suites/test_suite_md.function b/tests/suites/test_suite_md.function
index b23b69d..2deb92a 100644
--- a/tests/suites/test_suite_md.function
+++ b/tests/suites/test_suite_md.function
@@ -31,6 +31,7 @@
         info = mbedtls_md_info_from_type( *md_type_ptr );
         TEST_ASSERT( info != NULL );
         TEST_ASSERT( mbedtls_md_setup( &ctx, info, 0 ) == 0 );
+        TEST_ASSERT( mbedtls_md_starts( &ctx ) == 0 );
         TEST_ASSERT( mbedtls_md_process( &ctx, buf ) == 0 );
         mbedtls_md_free( &ctx );
     }