diff --git a/README.md b/README.md
index fdf241e..bebac8b 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,7 @@
-Run install.sh to install the icon for all the users.
+Run install.sh without any arguments to install the extension for all the users.
+
+If you want to install the extension only for the current user, run
+
+install.sh local
+
+instead.
diff --git a/install.sh b/install.sh
index 65a5fab..847d396 100755
--- a/install.sh
+++ b/install.sh
@@ -1,11 +1,23 @@
 NAME="TeaTime@oleid.mescharet.de"
-INST_DIR="$HOME/.local/share/gnome-shell-extensions/$NAME"
 
-echo "Installing icon"
-sudo cp utilities-teatime.svg /usr/share/icons/hicolor/scalable/apps/
-sudo gtk-update-icon-cache /usr/share/icons/hicolor/
+if [ "$1" = "local" ] ; then
+   INST_DIR="$HOME/.local/gnome-shell/extensions/$NAME"
+   SUDO=""
+else
+   INST_DIR="/usr/share/gnome-shell/extensions/$NAME"
+   SUDO="sudo"
+
+   echo "Installing icon"
+   $SUDO cp utilities-teatime.svg /usr/share/icons/hicolor/scalable/apps/
+   $SUDO gtk-update-icon-cache /usr/share/icons/hicolor/
+fi
+
 
 echo "Installing extension"
-mkdir -p "$INST_DIR"
+$SUDO mkdir -p "$INST_DIR"
 
-cp *.js *.json  "$INST_DIR"
+$SUDO cp  *.js *.json  "$INST_DIR"
+
+if [ "$1" = "local" ]; then
+    $SUDO cp *.svg  "$INST_DIR"
+fi