diff --git a/database/influxdb/node.go b/database/influxdb/node.go
index d00f558..882abcc 100644
--- a/database/influxdb/node.go
+++ b/database/influxdb/node.go
@@ -49,6 +49,9 @@ func (conn *Connection) InsertNode(node *runtime.Node) {
 
 	if nodeinfo := node.Nodeinfo; nodeinfo != nil {
 		tags.SetString("hostname", nodeinfo.Hostname)
+		if len(nodeinfo.System.SiteCode) > 0 {
+			tags.SetString("site_code", nodeinfo.System.SiteCode)
+		}
 		if owner := nodeinfo.Owner; owner != nil {
 			tags.SetString("owner", owner.Contact)
 		}
diff --git a/database/influxdb/node_test.go b/database/influxdb/node_test.go
index 6bda061..6d6b3bc 100644
--- a/database/influxdb/node_test.go
+++ b/database/influxdb/node_test.go
@@ -51,6 +51,9 @@ func TestToInflux(t *testing.T) {
 			Owner: &data.Owner{
 				Contact: "nobody",
 			},
+			System: &data.System{
+				SiteCode: "ffhb",
+			},
 			Wireless: &data.Wireless{
 				TxPower24: 3,
 				Channel24: 4,
@@ -97,6 +100,7 @@ func TestToInflux(t *testing.T) {
 
 	assert.EqualValues("deadbeef", tags["nodeid"])
 	assert.EqualValues("nobody", tags["owner"])
+	assert.EqualValues("ffhb", tags["site_code"])
 	assert.EqualValues(0.5, fields["load"])
 	assert.EqualValues(0, fields["neighbours.lldp"])
 	assert.EqualValues(1, fields["neighbours.batadv"])