diff --git a/integrations/api_repo_test.go b/integrations/api_repo_test.go
new file mode 100644
index 000000000..febdf31ef
--- /dev/null
+++ b/integrations/api_repo_test.go
@@ -0,0 +1,23 @@
+// Copyright 2017 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package integrations
+
+import (
+	"net/http"
+	"testing"
+
+	"code.gitea.io/gitea/models"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestAPIUserReposNotLogin(t *testing.T) {
+	assert.NoError(t, models.LoadFixtures())
+
+	req, err := http.NewRequest("GET", "/api/v1/users/user2/repos", nil)
+	assert.NoError(t, err)
+	resp := MakeRequest(req)
+	assert.EqualValues(t, http.StatusOK, resp.HeaderCode)
+}
diff --git a/routers/api/v1/user/repo.go b/routers/api/v1/user/repo.go
index 8b7ee92c6..cc08094fc 100644
--- a/routers/api/v1/user/repo.go
+++ b/routers/api/v1/user/repo.go
@@ -9,15 +9,18 @@ import (
 // listUserRepos - List the repositories owned by the given user.
 func listUserRepos(ctx *context.APIContext, u *models.User) {
 	userID := u.ID
-	showPrivateRepos := (ctx.User.ID == userID || ctx.User.IsAdmin) && ctx.IsSigned
+	showPrivateRepos := ctx.IsSigned && (ctx.User.ID == userID || ctx.User.IsAdmin)
 	ownRepos, err := models.GetUserRepositories(userID, showPrivateRepos, 1, u.NumRepos, "")
 	if err != nil {
 		ctx.Error(500, "GetUserRepositories", err)
 		return
 	}
-	accessibleRepos, err := getAccessibleRepos(ctx)
-	if err != nil {
-		ctx.Error(500, "GetAccessibleRepos", err)
+	var accessibleRepos []*api.Repository
+	if ctx.User != nil {
+		accessibleRepos, err = getAccessibleRepos(ctx)
+		if err != nil {
+			ctx.Error(500, "GetAccessibleRepos", err)
+		}
 	}
 	apiRepos := make([]*api.Repository, len(ownRepos)+len(accessibleRepos))
 	// Set owned repositories.