diff --git a/src/trixie.sh b/src/trixie.sh
index e650c89..34e159e 100755
--- a/src/trixie.sh
+++ b/src/trixie.sh
@@ -11,6 +11,7 @@ REQUIRED_PACKAGES=(
 	bash-completion
 	vim micro git wget
 	htop jq unzip tilix
+	zram-tools
 )
 
 # FUNCTIONS
@@ -323,8 +324,8 @@ function gnome_extensions {
 		grep -q '^please logout to take effect!' && LOGOUT_REQUIRED=true
 	$BASEDIR/tools/gnome-extensions-helper runcat@kolesnikov.se --idle-threshold=66 |
 		grep -q 'please logout to take effect!' && LOGOUT_REQUIRED=true
-	$BASEDIR/tools/gnome-extensions-helper netspeedsimplified@prateekmedia |
-		grep -q 'please logout to take effect!' && LOGOUT_REQUIRED=true
+	# $BASEDIR/tools/gnome-extensions-helper netspeedsimplified@prateekmedia.extension |
+	# 	grep -q 'please logout to take effect!' && LOGOUT_REQUIRED=true
 	$BASEDIR/tools/gnome-extensions-helper appindicatorsupport@rgcjonas.gmail.com --tray-pos=left --icon-saturation=0.9 |
 		grep -q 'please logout to take effect!' && LOGOUT_REQUIRED=true
 	$BASEDIR/tools/gnome-extensions-helper weeks-start-on-monday@extensions.gnome-shell.fifi.org |
@@ -401,17 +402,29 @@ function libre_re_pixmap {
 function clear_system_extensions {
 	echo "# clear system gnome-shell extensions"
 	echo "====================================="
-	sudo rm /usr/share/gnome-shell/extensions/* -rf
+	count_system_extensions=$(ls -1 /usr/share/gnome-shell/extensions | wc -l)
+	[[ $count_system_extensions -gt 0 ]] && sudo rm /usr/share/gnome-shell/extensions/* -rf || true
 }
 
 function install_flatpak {
 	echo "# install flatpak"
 	echo "================="
-	sudo apt install -y flatpak gnome-software-plugin-flatpak
-	flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
+
+	if ! dpkg -l flatpak | grep -q ^ii; then
+		sudo apt install -y flatpak gnome-software-plugin-flatpak
+		flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
+	fi
+
 	if ! (echo $XDG_DATA_DIRS | grep -q flatpak); then
 		LOGOUT_REQUIRED=true
+		XDG_DATA_DIRS=$HOME/.local/share/flatpak/exports/share:/var/lib/flatpak/exports/share:$XDG_DATA_DIRS
+		export XDG_DATA_DIRS
 	fi
+
+	flatpak install -y org.signal.Signal
+	flatpak install -y com.mattermost.Desktop
+	flatpak install -y net.jami.Jami
+
 }
 
 ## MAIN
diff --git a/tools/gnome-extensions-helper b/tools/gnome-extensions-helper
index 660d86f..65ce2d9 100755
--- a/tools/gnome-extensions-helper
+++ b/tools/gnome-extensions-helper
@@ -151,4 +151,4 @@ parse_options $*
 install_extension
 define_settings
 enable_extension
-[[ $LOGOUT_NEEDED == 'true' ]] && echo "please logout to take effect!" || true
+[[ $LOGOUT_NEEDED == true ]] && echo "please logout to take effect!" || true