diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index f89b7e1..7cac8f2 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -55,29 +55,32 @@ RUN sed -i 's/^Types: deb$/Types: deb deb-src/' /etc/apt/sources.list.d/debian.s
     dpkg-reconfigure -f noninteractive tzdata && \
     printf 'XKBMODEL="pc105"\nXKBLAYOUT="%s"\nXKBVARIANT=""\nXKBOPTIONS=""\nBACKSPACE="guess"\n' "${COUNTRY}" > /etc/default/keyboard && \
     dpkg-reconfigure -f noninteractive keyboard-configuration && \
-    rm -rf /var/lib/apt/lists/* /tmp/packages.txt 
+    rm -rf /var/lib/apt/lists/* /tmp/packages.txt
 
-# NEU: Systemweite statische Konfigurationen für LDAP/PAM/Sudo
-# 1. Entfernt die gefährliche %users Regel
-# 2. Sagt nsswitch, dass Sudoers auch im SSS (LDAP) gesucht werden sollen
-# 3. Aktiviert das automatische Erstellen von Home-Verzeichnissen (mkhomedir)
 RUN sed -i '/%users/s/^/# /' /etc/sudoers && \
     echo "sudoers: files sss" >> /etc/nsswitch.conf && \
     echo "session required pam_mkhomedir.so skel=/etc/skel/ umask=0022" >> /etc/pam.d/common-session
 
 RUN chmod 440 /etc/sudoers && \
     mkdir -p /etc/sssd && chown root:root /etc/sssd && chmod 755 /etc/sssd && \
-    mkdir -p /home && chmod 755 /home && \
+    mkdir -p /home && chmod 777 /home && \
     chown xrdp:xrdp /etc/xrdp/key.pem /etc/xrdp/cert.pem /etc/xrdp/rsakeys.ini && \
     chmod 600 /etc/xrdp/key.pem /etc/xrdp/rsakeys.ini && \
     chmod 644 /etc/xrdp/cert.pem && \
     echo "LANG=${LANG}" >> /etc/environment && \
     echo "LANGUAGE=${LANGUAGE}" >> /etc/environment && \
     echo "LC_ALL=${LC_ALL}" >> /etc/environment && \
-    sed -i '2i export LANG=${LANG}\nexport LANGUAGE=${LANGUAGE}\nexport LC_ALL=${LC_ALL}\npulseaudio --start\npactl load-module module-xrdp-sink.so\npactl load-module module-xrdp-source.so' /etc/xrdp/startwm.sh && \
-    chmod +x /etc/xrdp/startwm.sh && \
-    mkdir -p /etc/xdg/xfce4 && \
-    echo "setxkbmap ${COUNTRY}" >> /etc/xdg/xfce4/xinitrc
+    echo "#!/bin/sh" > /etc/xrdp/startwm.sh && \
+    echo "export LANG=${LANG}" >> /etc/xrdp/startwm.sh && \
+    echo "export LANGUAGE=${LANGUAGE}" >> /etc/xrdp/startwm.sh && \
+    echo "export LC_ALL=${LC_ALL}" >> /etc/xrdp/startwm.sh && \
+    echo "export XDG_SESSION_TYPE=x11" >> /etc/xrdp/startwm.sh && \
+    echo "setxkbmap ${COUNTRY}" >> /etc/xrdp/startwm.sh && \
+    echo "pulseaudio --start" >> /etc/xrdp/startwm.sh && \
+    echo "pactl load-module module-xrdp-sink.so" >> /etc/xrdp/startwm.sh && \
+    echo "pactl load-module module-xrdp-source.so" >> /etc/xrdp/startwm.sh && \
+    echo "exec dbus-launch --exit-with-session mate-session" >> /etc/xrdp/startwm.sh && \
+    chmod +x /etc/xrdp/startwm.sh
 
 EXPOSE 3389