diff --git a/.editorconfig b/.editorconfig
index 5f8702cf892191ec0c86ad5c16c6332daedb841d..b6be4c2172da5349f3666b93f199d22314fe0c03 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -10,3 +10,7 @@ insert_final_newline = true
 charset = utf-8
 indent_style = space
 indent_size = 2
+
+# ignore generated locale files
+[app/javascript/mastodon/locales/*.json]
+insert_final_newline = false