diff --git a/tests/get-with-headers.py b/tests/get-with-headers.py
--- a/tests/get-with-headers.py
+++ b/tests/get-with-headers.py
@@ -71,6 +71,7 @@
             print("%s: %s" % (h, response.getheader(h)))
     if not headeronly:
         print()
+        sys.stdout.flush()
         data = response.read()
 
         if args.bodyfile: