diff --git a/tools/frr.service.in b/tools/frr.service.in
index 214eea3..2304d47 100644
--- a/tools/frr.service.in
+++ b/tools/frr.service.in
@@ -21,6 +21,7 @@ PIDFile=@e_frr_runstatedir@/watchfrr.pid
 ExecStart=@e_sbindir@/frrinit.sh start
 ExecStop=@e_sbindir@/frrinit.sh stop
 ExecReload=@e_sbindir@/frrinit.sh reload
+Environment=PYTHONNOUSERSITE=1
 
 [Install]
 WantedBy=multi-user.target