diff --git a/src/models/host.go b/src/models/host.go
index 39ceabb864e650260191dba177c2883392f3bed6..1965e7c463b7942c8816217b5fcf196f6e0dcf1e 100644
--- a/src/models/host.go
+++ b/src/models/host.go
@@ -148,7 +148,9 @@ func HostGetsForAdmin(tenant, query, batch, field string, limit, offset int) ([]
 func buildHostWhere(tenant, query, batch, field string) *xorm.Session {
 	session := DB["ams"].Table(new(Host)).OrderBy("ident")
 
-	if tenant != "" {
+	if tenant == "0" {
+		session = session.Where("tenant=?", "")
+	} else if tenant != "" {
 		session = session.Where("tenant=?", tenant)
 	}