diff --git a/instfiles/pam.d/xrdp-sesman b/instfiles/pam.d/xrdp-sesman
index 1a7a2493..7fdbee5b 100644
--- a/instfiles/pam.d/xrdp-sesman
+++ b/instfiles/pam.d/xrdp-sesman
@@ -1,3 +1,4 @@
 #%PAM-1.0
 auth       required	pam_unix.so shadow nullok
+auth       required	pam_env.so readenv=1
 account    required	pam_unix.so