diff --git a/install/02-xfce.sh b/install/02-xfce.sh
index 04f5e1a..dc156ba 100755
--- a/install/02-xfce.sh
+++ b/install/02-xfce.sh
@@ -5,25 +5,25 @@ set -e
 echo "==> Installiere XFCE..."
 
 sudo apt install -y \
-task-xfce-desktop \
-xfce4 \
-xfce4-goodies \
-xfce4-terminal \
-thunar \
-thunar-archive-plugin \
-thunar-volman \
-gvfs \
-gvfs-backends \
-gvfs-fuse \
-tumbler \
-ristretto \
-xfce4-screenshooter \
-lightdm \
-network-manager-gnome \
-policykit-1 \
-papirus-icon-theme \
-arc-theme \
-fonts-noto \
-fonts-noto-color-emoji
+    task-xfce-desktop \
+    xfce4 \
+    xfce4-goodies \
+    xfce4-terminal \
+    thunar \
+    thunar-archive-plugin \
+    thunar-volman \
+    gvfs \
+    gvfs-backends \
+    gvfs-fuse \
+    tumbler \
+    ristretto \
+    xfce4-screenshooter \
+    lightdm \
+    network-manager-gnome \
+    polkitd \
+    papirus-icon-theme \
+    arc-theme \
+    fonts-noto \
+    fonts-noto-color-emoji
 
 echo "==> XFCE installiert."