diff --git a/src/omada/constants-service.conf b/src/omada/constants-service.conf
index 09898b2..83aedc6 100644
--- a/src/omada/constants-service.conf
+++ b/src/omada/constants-service.conf
@@ -8,7 +8,7 @@
 # This file contains the project constants on service level
 
 # Debian Version, which will be installed
-LXC_TEMPLATE_VERSION="debian-12-standard"
+LXC_TEMPLATE_VERSION="debian-11-standard"
 
 # Create sharefs mountpoint
 LXC_MP=0
diff --git a/src/omada/install-service.sh b/src/omada/install-service.sh
index ee60db7..fb82e54 100644
--- a/src/omada/install-service.sh
+++ b/src/omada/install-service.sh
@@ -12,7 +12,7 @@ source /root/zamba.conf
 source /root/constants-service.conf
 
 wget -O - https://pgp.mongodb.com/server-4.4.asc | gpg --dearmor > /usr/share/keyrings/mongodb-server-4.4.gpg
-echo "deb [ signed-by=/usr/share/keyrings/mongodb-server-4.4.gpg ] http://repo.mongodb.org/apt/debian bookworm/mongodb-org/4.4 main" | sudo tee /etc/apt/sources.list.d/mongodb-org-7.0.list
+echo "deb [ signed-by=/usr/share/keyrings/mongodb-server-4.4.gpg ] http://repo.mongodb.org/apt/debian buster/mongodb-org/4.4 main" | sudo tee /etc/apt/sources.list.d/mongodb-org-7.0.list
 
 apt update