diff --git a/Makefile b/Makefile
index 64a3bf7..ac5c501 100644
--- a/Makefile
+++ b/Makefile
@@ -1,24 +1,41 @@
-UUID = nightthemeswitcher@romainvigier.fr
-GSEXT_DIR_LOCAL = $(HOME)/.local/share/gnome-shell/extensions
+# Night Theme Switcher Gnome Shell extension
+#
+# Copyright (C) 2019 Romain Vigier
+#
+# This program is free software: you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, either version 3 of the License, or (at your option) any later
+# version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program. If not, see <http s ://www.gnu.org/licenses/>.
 
-VERSION = $(shell grep '"version"' ./src/metadata.json | sed 's/.*\s\([0-9.]*\),/\1/')
+COPYRIGHT_YEAR = 2019
+AUTHOR_NAME = Romain Vigier
+AUTHOR_EMAIL =
+
+NAME = $(shell grep '"name"' ./src/metadata.json | sed 's/\s"name":\s"\(.\+\)",\?/\1/')
+UUID = $(shell grep '"uuid"' ./src/metadata.json | sed 's/\s"uuid":\s"\(.\+\)",\?/\1/')
+VERSION = $(shell grep '"version"' ./src/metadata.json | sed 's/\s"version":\s\([0-9]\+\),\?/\1/')
 
 
 .PHONY: build
 build: clean
-	mkdir -p ./build/$(UUID)
-	cp -r ./src/* ./build/$(UUID)
-	cp ./LICENSE ./build/$(UUID)
+	mkdir -p ./build
+	gnome-extensions pack \
+		--extra-source=../LICENSE \
+		--podir=./po/ \
+		--gettext-domain=$(UUID) \
+		--out-dir=./build \
+		./src
 
 .PHONY: install
 install: uninstall build
-	mkdir -p $(GSEXT_DIR_LOCAL)
-	cp -r ./build/* $(GSEXT_DIR_LOCAL)
-
-.PHONY: zip
-zip: build
-	cd ./build/$(UUID) && zip -r ../$(UUID).$(VERSION).zip .
-	rm -r ./build/$(UUID)
+	gnome-extensions install ./build/$(UUID).shell-extension.zip
 
 .PHONY: clean
 clean:
@@ -26,4 +43,20 @@ clean:
 
 .PHONY: uninstall
 uninstall:
-	-rm -rf $(GSEXT_DIR_LOCAL)/$(UUID)
+	-gnome-extensions uninstall $(UUID)
+
+.PHONY: pot
+pot:
+	mkdir -p ./src/po
+	xgettext \
+		--from-code=UTF-8 \
+		--keyword=_ \
+		--package-name="$(NAME)" \
+		--package-version="$(VERSION)" \
+		--output=./src/po/$(UUID).pot \
+		./src/*.js
+	sed -i '1,4s/SOME DESCRIPTIVE TITLE./$(NAME)/g' ./src/po/$(UUID).pot
+	sed -i '1,4s/YEAR/$(COPYRIGHT_YEAR)/' ./src/po/$(UUID).pot
+	sed -i "1,4s/THE PACKAGE'S COPYRIGHT HOLDER/$(AUTHOR_NAME)/" ./src/po/$(UUID).pot
+	sed -i "1,4s/FIRST AUTHOR/$(AUTHOR_NAME)/" ./src/po/$(UUID).pot
+	sed -i "1,4s/EMAIL@ADDRESS/$(AUTHOR_EMAIL)/" ./src/po/$(UUID).pot