diff --git a/pkgs/by-name/firefox-extensions/default-zoom/background.js b/pkgs/by-name/firefox-extensions/default-zoom/background.js
index 51d9b2319..104a5ba82 100644
--- a/pkgs/by-name/firefox-extensions/default-zoom/background.js
+++ b/pkgs/by-name/firefox-extensions/default-zoom/background.js
@@ -6,10 +6,11 @@
 //
 // considerations:
 // - desko: fed.uninsane.org is most comfortable 1.8 - 2.4
+// - desko: github.com is most comfortable 1.5 - 2.0
 // - desko: youtube.com is most comfortable 1.6 - 1.8
 // - desko: wikipedia.org is most comfortable 1.7 - 1.9
 // - lappy: amazon.com is most comfortable 1.0 - 1.2
-let defaultZoom = 1.8;
+let defaultZoom = 1.7;
 
 function setZoom(tabId, changeInfo) {
   if (changeInfo.status) {