diff --git a/setup/start/collectd.conf b/setup/start/collectd.conf
index 61303f627..91b32e6b9 100644
--- a/setup/start/collectd.conf
+++ b/setup/start/collectd.conf
@@ -194,6 +194,7 @@ LoadPlugin write_graphite
 
 <Plugin df>
    FSType "ext4"
+   MountPoint "/"
 
    ReportByDevice true
    IgnoreSelected false