diff --git a/tests/httpbf_tests/hbf_send_test.c b/tests/httpbf_tests/hbf_send_test.c
index 4264edf75..fa1a3d35b 100644
--- a/tests/httpbf_tests/hbf_send_test.c
+++ b/tests/httpbf_tests/hbf_send_test.c
@@ -77,7 +77,7 @@ static void test_get_transfer_url_bigfile( void **state ) {
     list = hbf_init_transfer( url );
     assert_non_null( list );
 
-    list->block_size = (1024*1024); /* block size 1 MB */
+    list->threshold = list->block_size = (1024*1024); /* block size 1 MB */
 
     /* open a file */
     fd = open( test_file("church.jpg"), O_RDONLY );