diff --git a/routers/api/v1/repo/repo.go b/routers/api/v1/repo/repo.go
index e0f62baf5..3f0e8025d 100644
--- a/routers/api/v1/repo/repo.go
+++ b/routers/api/v1/repo/repo.go
@@ -220,6 +220,9 @@ func Migrate(ctx *context.APIContext, f form.MigrateRepo) {
 				ctx.Error(500, "GetUserByID", err)
 			}
 			return
+		} else if !org.IsOrganization() {
+			ctx.Error(403, "", err)
+			return
 		}
 		ctxUser = org
 	}