diff --git a/remocolab.py b/remocolab.py
index cd4ba0d..32bacd8 100644
--- a/remocolab.py
+++ b/remocolab.py
@@ -66,6 +66,7 @@ def _setupSSHDImpl(ngrok_token, ngrok_region):
   #Prevent ssh session disconnection.
   with open("/etc/ssh/sshd_config", "a") as f:
     f.write("\n\nClientAliveInterval 120\n")
+    f.write("PermitUserEnvironment yes\n")
 
   print("ECDSA key fingerprint of host:")
   ret = subprocess.run(