diff --git a/addons/thunderbird/plugin/openerp_plugin.xpi b/addons/thunderbird/plugin/openerp_plugin.xpi
index c0be8d11ff4..50a55a626e4 100644
Binary files a/addons/thunderbird/plugin/openerp_plugin.xpi and b/addons/thunderbird/plugin/openerp_plugin.xpi differ
diff --git a/addons/thunderbird/plugin/openerp_plugin/chrome/openerp_plugin.jar b/addons/thunderbird/plugin/openerp_plugin/chrome/openerp_plugin.jar
index c06852d6755..c52c70bf74e 100644
Binary files a/addons/thunderbird/plugin/openerp_plugin/chrome/openerp_plugin.jar and b/addons/thunderbird/plugin/openerp_plugin/chrome/openerp_plugin.jar differ
diff --git a/addons/thunderbird/plugin/openerp_plugin/chrome/openerp_plugin/skin/settings.png b/addons/thunderbird/plugin/openerp_plugin/chrome/openerp_plugin/skin/settings.png
index 1b77bed23dd..ad0298af667 100644
Binary files a/addons/thunderbird/plugin/openerp_plugin/chrome/openerp_plugin/skin/settings.png and b/addons/thunderbird/plugin/openerp_plugin/chrome/openerp_plugin/skin/settings.png differ
diff --git a/addons/thunderbird/plugin/openerp_plugin/makefile b/addons/thunderbird/plugin/openerp_plugin/makefile
new file mode 100644
index 00000000000..711fdfe117e
--- /dev/null
+++ b/addons/thunderbird/plugin/openerp_plugin/makefile
@@ -0,0 +1,11 @@
+all: xpi
+
+jar:
+	jar cvf chrome/openerp_plugin.jar chrome/openerp_plugin/*
+
+xpi: jar
+	zip -r ../openerp_plugin.xpi *
+
+clean:
+	rm ../openerp_plugin.xpi
+	rm chrome/openerp_plugin.jar
diff --git a/addons/thunderbird/plugin/openerp_plugin/packaging.sh b/addons/thunderbird/plugin/openerp_plugin/packaging.sh
deleted file mode 100644
index 5c1f48a9050..00000000000
--- a/addons/thunderbird/plugin/openerp_plugin/packaging.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-# Use this Shell Script for Cleaning & Compressing  the chnages in Plugin 
-# Run this script using jar command.
-
-rm chrome/openerp_plugin.jar
-rm ../openerp_plugin.xpi 
-cd chrome/openerp_plugin/
-jar cvf openerp_plugin.jar *
-cd ..
-mv openerp_plugin/openerp_plugin.jar openerp_plugin.jar
-cd ..
-zip -r ../openerp_plugin.xpi *
-