diff --git a/helpers/make-firefox b/helpers/make-firefox
index 9153b1860a6ceeb906e93caaada803451cd3421c..557722d963cab7a629b49727ffa7805a7764436b 100644
--- a/helpers/make-firefox
+++ b/helpers/make-firefox
@@ -242,7 +242,7 @@ sed -i 's/<a\ href\=\"http\:\/\/www.mozilla.org\/\">Mozilla\ Project<\/a>/<a\ hr
 #sed -i 's/iceweasel, abrowser, icecat,/iceweasel, firefox, icecat,/g' debian/control.in
 sed '/Provides/s/abrowser-locale/firefox-locale/' -i debian/control.langpacks
 sed 's/Abrowser/Firefox/' -i third_party/rust/idna/src/lib.rs third_party/rust/encoding_rs/.travis.yml third_party/rust/encoding_rs/README.md
-sed 's/Trisquel/Mozilla/' -i third_party/rust/encoding_rs/src/lib.rs browser/components/uitour/UITour-lib.js
+sed 's/Trisquel/Mozilla/' -i third_party/rust/encoding_rs/src/lib.rs browser/components/uitour/UITour-lib.js third_party/rust/mio/README.md
 
 # Restore useragent to Firefox
 sed '/MOZILLA_UAVERSION/ s:Abrowser/:Firefox/:' -i netwerk/protocol/http/nsHttpHandler.cpp