diff --git a/internal/ingress/controller/controller.go b/internal/ingress/controller/controller.go
index 07b2d2d85..20fb0ddaf 100644
--- a/internal/ingress/controller/controller.go
+++ b/internal/ingress/controller/controller.go
@@ -130,9 +130,9 @@ func (n *NGINXController) syncIngress(interface{}) error {
 	for _, server := range servers {
 		if !hosts.Has(server.Hostname) {
 			hosts.Insert(server.Hostname)
-			if server.Alias != "" {
-				hosts.Insert(server.Alias)
-			}
+		}
+		if server.Alias != "" && !hosts.Has(server.Hostname) {
+			hosts.Insert(server.Alias)
 		}
 
 		if !server.SSLPassthrough {