diff --git a/internal/ingress/controller/controller.go b/internal/ingress/controller/controller.go
index 20d5ef0ea..bd10ab57a 100644
--- a/internal/ingress/controller/controller.go
+++ b/internal/ingress/controller/controller.go
@@ -651,6 +651,15 @@ func (n *NGINXController) getBackendServers(ingresses []*ingress.Ingress) ([]*in
 						locs[host] = []string{}
 					}
 					locs[host] = append(locs[host], path.Path)
+
+					if len(server.Aliases) > 0 {
+						for _, alias := range server.Aliases {
+							if _, ok := locs[alias]; !ok {
+								locs[alias] = []string{}
+							}
+							locs[alias] = append(locs[alias], path.Path)
+						}
+					}
 				}
 			}
 		}
diff --git a/test/e2e/annotations/affinity.go b/test/e2e/annotations/affinity.go
index b42b0c4d4..ecc313c8e 100644
--- a/test/e2e/annotations/affinity.go
+++ b/test/e2e/annotations/affinity.go
@@ -311,4 +311,45 @@ var _ = framework.DescribeAnnotation("affinity session-cookie-name", func() {
 			Status(http.StatusOK).
 			Header("Set-Cookie").Contains("SERVERID=")
 	})
+
+	ginkgo.It("should work with server-alias annotation", func() {
+		host := "foo.com"
+		alias1 := "a1.foo.com"
+		alias2 := "a2.foo.com"
+		annotations := make(map[string]string)
+		annotations["nginx.ingress.kubernetes.io/affinity"] = "cookie"
+		annotations["nginx.ingress.kubernetes.io/session-cookie-name"] = "SERVERID"
+		annotations["nginx.ingress.kubernetes.io/server-alias"] = fmt.Sprintf("%s,%s", alias1, alias2)
+
+		ing := framework.NewSingleIngress(host, "/bar", host, f.Namespace, framework.EchoService, 80, annotations)
+		f.EnsureIngress(ing)
+
+		f.WaitForNginxServer(host,
+			func(server string) bool {
+				//server alias sort by sort.Strings(), see: internal/ingress/annotations/alias/main.go:60
+				return strings.Contains(server, fmt.Sprintf("server_name %s %s %s ;", host, alias1, alias2))
+			})
+
+		f.HTTPTestClient().
+			GET("/bar").
+			WithHeader("Host", host).
+			Expect().
+			Status(http.StatusOK).
+			Header("Set-Cookie").Contains("SERVERID=")
+
+		f.HTTPTestClient().
+			GET("/bar").
+			WithHeader("Host", alias1).
+			Expect().
+			Status(http.StatusOK).
+			Header("Set-Cookie").Contains("SERVERID=")
+
+		f.HTTPTestClient().
+			GET("/bar").
+			WithHeader("Host", alias2).
+			Expect().
+			Status(http.StatusOK).
+			Header("Set-Cookie").Contains("SERVERID=")
+	})
+
 })