diff --git a/data/iio-sensor-proxy.service.in b/data/iio-sensor-proxy.service.in
index 01e1e79..3704d68 100644
--- a/data/iio-sensor-proxy.service.in
+++ b/data/iio-sensor-proxy.service.in
@@ -9,7 +9,7 @@ ExecStart=@sbindir@/iio-sensor-proxy
 #Environment="G_MESSAGES_DEBUG=all"
 
 # Lockdown
-ProtectSystem=true
+ProtectSystem=strict
 ProtectControlGroups=true
 ProtectHome=true
 ProtectKernelModules=true