diff --git a/srcpkgs/firefox-i18n/template b/srcpkgs/firefox-i18n/template
index f049f08da9a..2e7a7f0e022 100644
--- a/srcpkgs/firefox-i18n/template
+++ b/srcpkgs/firefox-i18n/template
@@ -1,7 +1,7 @@
 # Template file for 'firefox-i18n'
 pkgname=firefox-i18n
 version=57.0.2
-revision=1
+revision=2
 build_style=meta
 homepage="https://www.mozilla.org/firefox/"
 short_desc="Firefox language packs"
@@ -128,6 +128,7 @@ done
 _pkgtmpl() {
 	_lang="$1"
 	depends="firefox>=${version}"
+	conflicts="firefox-esr-i18n-${_lang}>=0"
 	short_desc="Firefox $2 language pack"
 	pkg_install() {
 		vinstall ${XBPS_SRCDISTDIR}/${sourcepkg}-${version}/${_lang}.xpi 644 \