diff --git a/supervisord.conf b/supervisord.conf
index b5ac496..498fbd5 100644
--- a/supervisord.conf
+++ b/supervisord.conf
@@ -16,7 +16,7 @@ redirect_stderr=true
 
 [program:prusaslicer]
 priority=1
-environment=DISPLAY=:1
+environment=DISPLAY=%(ENV_DISPLAY)s
 command=/bin/bash -c '%(ENV_VGLRUN)s /slic3r/slic3r-dist/prusa-slicer --datadir /configs/.config/PrusaSlicer/'
 autorestart=true
 redirect_stderr=true