diff --git a/programs/hash/generic_sum.c b/programs/hash/generic_sum.c
index f2a947e..6cb9951 100644
--- a/programs/hash/generic_sum.c
+++ b/programs/hash/generic_sum.c
@@ -204,7 +204,7 @@
         polarssl_fprintf( stderr, "Message Digest '%s' not found\n", argv[1] );
         return( 1 );
     }
-    if( md_init_ctx( &md_ctx, md_info) )
+    if( md_init_ctx( &md_ctx, md_info, 0 ) )
     {
         polarssl_fprintf( stderr, "Failed to initialize context.\n" );
         return( 1 );