diff --git a/pywb/rewrite/test/test_html_rewriter.py b/pywb/rewrite/test/test_html_rewriter.py
index d8087555..49294d91 100644
--- a/pywb/rewrite/test/test_html_rewriter.py
+++ b/pywb/rewrite/test/test_html_rewriter.py
@@ -126,7 +126,7 @@ r"""
 
 # srcset attrib
 >>> parse('<img srcset="//example.com/1x 1x, //example.com/foo 2x, https://example.com/bar 4x">')
-<img srcset="/web/20131226101010///example.com/1x 1x, /web/20131226101010///example.com/foo 2x, /web/20131226101010/https://example.com/bar 4x">
+<img srcset="/web/20131226101010///example.com/1x 1x,/web/20131226101010///example.com/foo 2x,/web/20131226101010/https://example.com/bar 4x">
 
 # empty srcset attrib
 >>> parse('<img srcset="">')