diff --git a/github-dark.css b/github-dark.css
index b2eb27810..780ab774a 100644
--- a/github-dark.css
+++ b/github-dark.css
@@ -2183,7 +2183,7 @@
     filter: invert(100%) hue-rotate(180deg) !important;
   }
   /* invert network graph; gh-polls (https://github.com/tj/gh-polls) */
-  div#network.network > div > canvas, a[href*="prod/poll/"] img,
+  div#network.network > div > canvas, a[href*="api.gh-polls.com"] img,
   img[data-canonical-src*="prod/timeseries/"], img[alt="FOSSA Status"] {
     filter: invert(90%) hue-rotate(180deg) !important;
   }