diff --git a/theme/static/images/favicon/convert-favicon.sh b/theme/static/images/favicon/convert-favicon.sh
index 87d809691f8765d50f581e47f2260bb5d49c5fab..47a56a38502ed9a49b0ec398587685b7a7b56534 100755
--- a/theme/static/images/favicon/convert-favicon.sh
+++ b/theme/static/images/favicon/convert-favicon.sh
@@ -15,3 +15,5 @@ convertfavicon 57
 convertfavicon 72
 convertfavicon 114
 convertfavicon 144
+
+convert favicon-144.png -channel RGB -negate favicon-144-negate.png
diff --git a/theme/static/images/favicon/favicon-144-negate.png b/theme/static/images/favicon/favicon-144-negate.png
new file mode 100644
index 0000000000000000000000000000000000000000..ad438c1983a68afb3f17d522b37046854bc67d91
Binary files /dev/null and b/theme/static/images/favicon/favicon-144-negate.png differ