diff --git a/management/daemon.py b/management/daemon.py
index cbbfd6bf..47548531 100755
--- a/management/daemon.py
+++ b/management/daemon.py
@@ -709,7 +709,7 @@ def munin_cgi(filename):
 	support infrastructure like spawn-fcgi.
 	"""
 
-	COMMAND = 'su - munin --preserve-environment --shell=/bin/bash -c /usr/lib/munin/cgi/munin-cgi-graph'
+	COMMAND = 'su munin --preserve-environment --shell=/bin/bash -c /usr/lib/munin/cgi/munin-cgi-graph'
 	# su changes user, we use the munin user here
 	# --preserve-environment retains the environment, which is where Popen's `env` data is
 	# --shell=/bin/bash ensures the shell used is bash