diff --git a/deeplabcut_docker.sh b/deeplabcut_docker.sh
old mode 100644
new mode 100755
index c62087c..30b5e51
--- a/deeplabcut_docker.sh
+++ b/deeplabcut_docker.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Helper script for launching deeplabcut docker UI containers
 # Usage:
@@ -144,8 +144,10 @@ gui() {
     update gui || exit 1
     build gui || exit 1
     args="$(get_x11_args) $(get_mount_args) ${extra_args}"
+    xhost +local:dlc
     $DOCKER run -it --rm ${args} $(get_local_container_name gui) \
         || err "Failed to launch the DLC GUI. Used args: \"${args}\""
+    xhost -local:dlc
 }
 
 # Launch a Jupyter Server in the current directory
@@ -182,7 +184,6 @@ custom() {
     $DOCKER run -it $args ${image}-custom bash
 }
 
-check_system
 subcommand=${1:-gui}
 shift 1
 case "${subcommand}" in