diff --git a/qbittorrent/rootfs/etc/cont-init.d/93-openvpn.sh b/qbittorrent/rootfs/etc/cont-init.d/93-openvpn.sh
index d9688c47d..7f8f61530 100755
--- a/qbittorrent/rootfs/etc/cont-init.d/93-openvpn.sh
+++ b/qbittorrent/rootfs/etc/cont-init.d/93-openvpn.sh
@@ -85,6 +85,10 @@ elif [[ ${interface_name} = "tun" ]]; then
 elif [[ ${interface_name} = "tap" ]]; then
     interface_name='tap0'
 fi
+if [[ ${#interface_name} -gt 15 ]]; then
+    bashio::log.warning "OpenVPN interface name '${interface_name}' exceeds 15 characters; truncating to '${interface_name:0:15}'."
+    interface_name="${interface_name:0:15}"
+fi
 
 openvpn_runtime_config="${OPENVPN_STATE_DIR}/${interface_name}.conf"
 
diff --git a/qbittorrent/rootfs/etc/cont-init.d/94-wireguard.sh b/qbittorrent/rootfs/etc/cont-init.d/94-wireguard.sh
index 855ef7504..833084bd4 100755
--- a/qbittorrent/rootfs/etc/cont-init.d/94-wireguard.sh
+++ b/qbittorrent/rootfs/etc/cont-init.d/94-wireguard.sh
@@ -61,6 +61,10 @@ interface_name="$(basename "${wireguard_config}" .conf)"
 if [[ -z "${interface_name}" ]]; then
     interface_name='wg0'
 fi
+if [[ ${#interface_name} -gt 15 ]]; then
+    bashio::log.warning "WireGuard interface name '${interface_name}' exceeds 15 characters; truncating to '${interface_name:0:15}'."
+    interface_name="${interface_name:0:15}"
+fi
 
 wireguard_runtime_config="${WIREGUARD_STATE_DIR}/${interface_name}.conf"