diff --git a/platform/firefox/chrome.manifest b/platform/firefox/chrome.manifest
index 1206c29..4676bb1 100644
--- a/platform/firefox/chrome.manifest
+++ b/platform/firefox/chrome.manifest
@@ -8,6 +8,7 @@ locale  ublock  el      ./locale/el/
 locale  ublock  es      ./locale/es/
 locale  ublock  et      ./locale/et/
 locale  ublock  fi      ./locale/fi/
+locale  ublock  fil     ./locale/fil/
 locale  ublock  fr      ./locale/fr/
 locale  ublock  he      ./locale/he/
 locale  ublock  hi      ./locale/hi/