diff --git a/docs/client/repository_test.go b/docs/client/repository_test.go
index bdd7ea20b..8eedc4c29 100644
--- a/docs/client/repository_test.go
+++ b/docs/client/repository_test.go
@@ -592,7 +592,7 @@ func addTestManifestWithEtag(repo, reference string, content []byte, m *testutil
 			Headers: http.Header(map[string][]string{
 				"Content-Length": {"0"},
 				"Last-Modified":  {time.Now().Add(-1 * time.Second).Format(time.ANSIC)},
-				"Content-Type":   {schema1.MediaTypeManifest},
+				"Content-Type":   {schema1.MediaTypeSignedManifest},
 			}),
 		}
 	} else {
@@ -602,7 +602,7 @@ func addTestManifestWithEtag(repo, reference string, content []byte, m *testutil
 			Headers: http.Header(map[string][]string{
 				"Content-Length": {fmt.Sprint(len(content))},
 				"Last-Modified":  {time.Now().Add(-1 * time.Second).Format(time.ANSIC)},
-				"Content-Type":   {schema1.MediaTypeManifest},
+				"Content-Type":   {schema1.MediaTypeSignedManifest},
 			}),
 		}
 
@@ -622,7 +622,7 @@ func addTestManifest(repo, reference string, content []byte, m *testutil.Request
 			Headers: http.Header(map[string][]string{
 				"Content-Length": {fmt.Sprint(len(content))},
 				"Last-Modified":  {time.Now().Add(-1 * time.Second).Format(time.ANSIC)},
-				"Content-Type":   {schema1.MediaTypeManifest},
+				"Content-Type":   {schema1.MediaTypeSignedManifest},
 			}),
 		},
 	})
@@ -636,7 +636,7 @@ func addTestManifest(repo, reference string, content []byte, m *testutil.Request
 			Headers: http.Header(map[string][]string{
 				"Content-Length": {fmt.Sprint(len(content))},
 				"Last-Modified":  {time.Now().Add(-1 * time.Second).Format(time.ANSIC)},
-				"Content-Type":   {schema1.MediaTypeManifest},
+				"Content-Type":   {schema1.MediaTypeSignedManifest},
 			}),
 		},
 	})
diff --git a/docs/handlers/api_test.go b/docs/handlers/api_test.go
index f3f5a4fb1..206a461e8 100644
--- a/docs/handlers/api_test.go
+++ b/docs/handlers/api_test.go
@@ -957,7 +957,7 @@ func testManifestAPISchema1(t *testing.T, env *testEnv, imageName string) manife
 	// Re-push with a few different Content-Types. The official schema1
 	// content type should work, as should application/json with/without a
 	// charset.
-	resp = putManifest(t, "re-putting signed manifest", manifestDigestURL, schema1.MediaTypeManifest, sm2)
+	resp = putManifest(t, "re-putting signed manifest", manifestDigestURL, schema1.MediaTypeSignedManifest, sm2)
 	checkResponse(t, "re-putting signed manifest", resp, http.StatusCreated)
 	resp = putManifest(t, "re-putting signed manifest", manifestDigestURL, "application/json; charset=utf-8", sm2)
 	checkResponse(t, "re-putting signed manifest", resp, http.StatusCreated)
@@ -1486,7 +1486,7 @@ func testManifestAPIManifestList(t *testing.T, env *testEnv, args manifestArgs)
 		t.Fatalf("Error constructing request: %s", err)
 	}
 	req.Header.Set("Accept", manifestlist.MediaTypeManifestList)
-	req.Header.Add("Accept", schema1.MediaTypeManifest)
+	req.Header.Add("Accept", schema1.MediaTypeSignedManifest)
 	req.Header.Add("Accept", schema2.MediaTypeManifest)
 	resp, err = http.DefaultClient.Do(req)
 	if err != nil {