diff --git a/rootfs/etc/nginx/template/nginx.tmpl b/rootfs/etc/nginx/template/nginx.tmpl
index 1f3f0ee37..93a04e3e6 100644
--- a/rootfs/etc/nginx/template/nginx.tmpl
+++ b/rootfs/etc/nginx/template/nginx.tmpl
@@ -1481,8 +1481,8 @@ stream {
             proxy_next_upstream_timeout             {{ $location.Proxy.NextUpstreamTimeout }};
             proxy_next_upstream_tries               {{ $location.Proxy.NextUpstreamTries }};
 
+            {{ if or (eq $location.BackendProtocol "GRPC") (eq $location.BackendProtocol "GRPCS") }}
             # Grpc settings
-            {{ if or (eq $location.BackendProtocol "GRPC") (eq $location.BackendProtocol "GRPCS")}}
             grpc_connect_timeout                    {{ $location.Proxy.ConnectTimeout }}s;
             grpc_send_timeout                       {{ $location.Proxy.SendTimeout }}s;
             grpc_read_timeout                       {{ $location.Proxy.ReadTimeout }}s;
diff --git a/test/e2e/annotations/grpc.go b/test/e2e/annotations/grpc.go
index e5aef7971..96cd227d9 100644
--- a/test/e2e/annotations/grpc.go
+++ b/test/e2e/annotations/grpc.go
@@ -267,7 +267,7 @@ var _ = framework.DescribeAnnotation("backend-protocol - GRPC", func() {
 		proxyReadtimeout := "30"
 
 		annotations := make(map[string]string)
-		annotations["nginx.ingress.kubernetes.io/backend-protocol"] = "grpc"
+		annotations["nginx.ingress.kubernetes.io/backend-protocol"] = "GRPC"
 		annotations["nginx.ingress.kubernetes.io/proxy-connect-timeout"] = proxyConnectTimeout
 		annotations["nginx.ingress.kubernetes.io/proxy-send-timeout"] = proxySendTimeout
 		annotations["nginx.ingress.kubernetes.io/proxy-read-timeout"] = proxyReadtimeout
@@ -289,7 +289,7 @@ var _ = framework.DescribeAnnotation("backend-protocol - GRPC", func() {
 		proxyReadtimeout := "30"
 
 		annotations := make(map[string]string)
-		annotations["nginx.ingress.kubernetes.io/backend-protocol"] = "grpcs"
+		annotations["nginx.ingress.kubernetes.io/backend-protocol"] = "GRPCS"
 		annotations["nginx.ingress.kubernetes.io/proxy-connect-timeout"] = proxyConnectTimeout
 		annotations["nginx.ingress.kubernetes.io/proxy-send-timeout"] = proxySendTimeout
 		annotations["nginx.ingress.kubernetes.io/proxy-read-timeout"] = proxyReadtimeout