diff --git a/web/federate_test.go b/web/federate_test.go
index b18e9f63b2..4e0d1feffa 100644
--- a/web/federate_test.go
+++ b/web/federate_test.go
@@ -14,7 +14,9 @@
 package web
 
 import (
+	"bufio"
 	"bytes"
+	"net/http"
 	"net/http/httptest"
 	"sort"
 	"strings"
@@ -126,7 +128,22 @@ func TestFederation(t *testing.T) {
 	}
 
 	for name, scenario := range scenarios {
-		req := httptest.NewRequest("GET", "http://example.org/federate?"+scenario.params, nil)
+		req, err := http.ReadRequest(bufio.NewReader(strings.NewReader(
+			"GET http://example.org/federate?" + scenario.params + " HTTP/1.0\r\n\r\n",
+		)))
+		if err != nil {
+			t.Fatal(err)
+		}
+		// HTTP/1.0 was used above to avoid needing a Host field. Change it to 1.1 here.
+		req.Proto = "HTTP/1.1"
+		req.ProtoMinor = 1
+		req.Close = false
+		// 192.0.2.0/24 is "TEST-NET" in RFC 5737 for use solely in
+		// documentation and example source code and should not be
+		// used publicly.
+		req.RemoteAddr = "192.0.2.1:1234"
+		// TODO(beorn7): Once we are completely on Go1.7, replace the lines above by the following:
+		// req := httptest.NewRequest("GET", "http://example.org/federate?"+scenario.params, nil)
 		res := httptest.NewRecorder()
 		h.federation(res, req)
 		if got, want := res.Code, scenario.code; got != want {