diff --git a/pkg/compute/models/zones.go b/pkg/compute/models/zones.go
index 05fc01a0c9..fe4379b0de 100644
--- a/pkg/compute/models/zones.go
+++ b/pkg/compute/models/zones.go
@@ -515,7 +515,7 @@ func (self *SZone) GetDetailsCapabilities(ctx context.Context, userCred mcclient
 }
 
 func (self *SZone) getHypervisors() []string {
-	q := HostManager.Query("host_type").Equals("zone_id", self.Id)
+	q := HostManager.Query("host_type").Equals("zone_id", self.Id).Distinct()
 	rows, err := q.Rows()
 	if err != nil {
 		return nil