diff --git a/src/build_dpkg.sh b/src/build_dpkg.sh
index 79fed5b4..cf61d0c3 100755
--- a/src/build_dpkg.sh
+++ b/src/build_dpkg.sh
@@ -39,6 +39,7 @@ LQOS_FILES=(
   scheduler.py
   ShapedDevices.example.csv
   shaping_skip_report.py
+  systemd_hotfix.sh
   virtual_tree_nodes.py
   mikrotikDHCPRouterList.template.csv
   integrationUISPbandwidths.template.csv
@@ -115,6 +116,18 @@ popd > /dev/null || exit
 pushd "$DEBIAN_DIR" > /dev/null || exit
 cat <<EOF > postinst
 #!/bin/bash
+if /opt/libreqos/src/systemd_hotfix.sh should-offer >/dev/null 2>&1; then
+cat >&2 <<'HOTFIX'
+LibreQoS requires the Ubuntu 24.04 systemd-networkd hotfix on this host before installation can continue.
+
+Run:
+  HOTFIX_BASE_URL=https://downloads.libreqos.com sudo /opt/libreqos/src/systemd_hotfix.sh install
+
+Then re-run the LibreQoS package installation.
+HOTFIX
+exit 1
+fi
+
 # Install Python Dependencies
 pushd /opt/libreqos
 # - Setup Python dependencies as a post-install task
diff --git a/src/build_rust.sh b/src/build_rust.sh
index 34757808..298c72ac 100755
--- a/src/build_rust.sh
+++ b/src/build_rust.sh
@@ -135,6 +135,8 @@ fi
 echo "-----------------------------------------------------------------"
 echo "Don't forget to setup /etc/lqos.conf!"
 echo "Template .service files can be found in bin/"
+echo "Use ./systemd_hotfix.sh to evaluate or install the Ubuntu 24.04 networkd hotfix bundle."
+echo "LibreQoS package installs on affected Ubuntu 24.04 hosts now require the hotfix first."
 echo ""
 echo "Run sudo rust/remove_pinned_maps.sh before you restart lqosd"
 echo "This ensures that any data-format changes will apply correctly."