diff --git a/examples/PD_controller.ipynb b/examples/PD_controller.ipynb
index 7359b7667..4cd97e70d 100644
--- a/examples/PD_controller.ipynb
+++ b/examples/PD_controller.ipynb
@@ -153,6 +153,8 @@
     "  }\n",
     "  \"\"\")\n",
     "\n",
+    "%env MUJOCO_GL=egl\n",
+    "\n",
     "try:\n",
     "  import mujoco\n",
     "except Exception as e:\n",