diff --git a/cmd/repos/create.go b/cmd/repos/create.go
index 88d4a2c..1f0b523 100644
--- a/cmd/repos/create.go
+++ b/cmd/repos/create.go
@@ -89,8 +89,9 @@ var CmdRepoCreate = cli.Command{
 			Usage: "select trust model (committer,collaborator,collaborator+committer)",
 		},
 		&cli.StringFlag{
-			Name:  "object-format",
-			Usage: "select git object format (sha1,sha256)",
+			Name:     "object-format",
+			Required: false,
+			Usage:    "select git object format (sha1,sha256)",
 		},
 	}, flags.LoginOutputFlags...),
 }
diff --git a/cmd/repos/create_test.go b/cmd/repos/create_test.go
index e2caa79..16c0377 100644
--- a/cmd/repos/create_test.go
+++ b/cmd/repos/create_test.go
@@ -56,7 +56,7 @@ func TestCreateRepoObjectFormat(t *testing.T) {
 				Aliases:  []string{"repo"},
 				Commands: []*cli.Command{&CmdRepoCreate},
 			}
-			args := append([]string{"tea", "repos", "create"}, tt.args...)
+			args := append([]string{"repos", "create"}, tt.args...)
 
 			err := reposCmd.Run(context.Background(), args)
 			if tt.wantErr {