diff --git a/README.md b/README.md
index bd2bc96..9fd978a 100644
--- a/README.md
+++ b/README.md
@@ -8,9 +8,6 @@ utilisé lors des Instalalis dispenséees par Libre.re
 TODO:
 ----
 
-* [ ] fix `tools` pathset
-* [ ] miaou-bash cannot be installed after error occuring
-  * [ ] gnome-extensions schema compilation after error occuring 
 * [ ] epson
     http://download.ebz.epson.net/dsc/search/01/search/searchModuleFromResult
 
@@ -31,4 +28,4 @@ requirements before installation process
 install one-liner
 -----------------
 
-`sudo apt install -y curl git && curl https://git.artcode.re/pvincent/debian-gnome/raw/branch/master/src/install.sh | bash -s --`
\ No newline at end of file
+`sudo apt install -y curl git && curl https://git.artcode.re/pvincent/debian-gnome/raw/branch/main/src/install.sh | bash -s --`
\ No newline at end of file
diff --git a/src/trixie.sh b/src/trixie.sh
index c09f02c..cc3d7bf 100755
--- a/src/trixie.sh
+++ b/src/trixie.sh
@@ -78,6 +78,35 @@ function apt_required_packages {
 	done
 }
 
+function fix_system_lang {
+	echo "# fix system language"
+	echo "====================="
+
+	if grep -q ^LANG=C.UTF-8 /etc/default/locale; then
+		LANG='en_US.UTF-8'
+		if gsettings get org.gnome.desktop.input-sources sources | grep -q "'xkb', 'fr"; then
+			LANG='fr_FR.UTF-8'
+		else
+			if gsettings get org.gnome.desktop.input-sources sources | grep -q "'xkb', 'es"; then
+				LANG='es_ES.UTF-8'
+			fi
+		fi
+
+		echo "fix found LANG=$LANG"
+
+		cat << EOF | sudo tee /etc/locale.gen
+$LANG UTF-8	
+EOF
+		sudo locale-gen
+		sudo update-locale LANG=$LANG
+	else
+		echo 'already fixed!'
+	fi
+
+	source /etc/default/locale
+	export LANG
+}
+
 function fix_input_sources {
 	echo "# fix input sources containing french variants"
 	echo "=============================================="
@@ -139,8 +168,6 @@ function true_firefox {
 	echo "================="
 	firefox_lang=$(echo $LANG | cut -d. -f1)
 
-	[[ $firefox_lang =~ C|en|es ]] && firefox_lang="en-US"
-	echo "$firefox_lang"
 	if [[ ! /usr/local/bin/firefox -ef /opt/firefox/firefox ]]; then
 		set -e
 		cd /tmp
@@ -274,7 +301,9 @@ EOF
 	gsettings set com.gexperts.Tilix.Settings window-style 'disable-csd-hide-toolbar'
 	gsettings set com.gexperts.Tilix.Settings control-click-titlebar true
 	gsettings set com.gexperts.Tilix.Settings terminal-title-show-when-single false
-
+	gsettings set com.gexperts.Tilix.Settings warn-vte-config-issue false
+	gsettings set com.gexperts.Tilix.Settings theme-variant 'dark'
+	gsettings set com.gexperts.Tilix.Settings control-click-titlebar true
 }
 
 function no_lock_screen {
@@ -433,6 +462,7 @@ function install_flatpak {
 
 upgrade
 apt_required_packages
+fix_system_lang
 fix_input_sources
 miaou_bash
 openssh