diff --git a/pkg/cmd/repo/fork/fork_test.go b/pkg/cmd/repo/fork/fork_test.go
index c0aa32bbd..e85558597 100644
--- a/pkg/cmd/repo/fork/fork_test.go
+++ b/pkg/cmd/repo/fork/fork_test.go
@@ -211,7 +211,7 @@ func TestRepoFork(t *testing.T) {
 		httpStubs   func(*httpmock.Registry)
 		execStubs   func(*run.CommandStubber)
 		promptStubs func(*prompter.MockPrompter)
-		cfgStubs    func(*config.ConfigMock)
+		cfgStubs    func(config.Config)
 		remotes     []*context.Remote
 		wantOut     string
 		wantErrOut  string
@@ -254,7 +254,7 @@ func TestRepoFork(t *testing.T) {
 					Repo: ghrepo.New("OWNER", "REPO"),
 				},
 			},
-			cfgStubs: func(c *config.ConfigMock) {
+			cfgStubs: func(c config.Config) {
 				c.Set("", "git_protocol", "")
 			},
 			httpStubs: forkPost,
@@ -731,7 +731,7 @@ func TestRepoFork(t *testing.T) {
 				return &http.Client{Transport: reg}, nil
 			}
 
-			cfg := config.NewBlankConfig()
+			cfg, _ := config.NewIsolatedTestConfig(t)
 			if tt.cfgStubs != nil {
 				tt.cfgStubs(cfg)
 			}