diff --git a/core/service.go b/core/service.go
index be9ed06..5e32a08 100644
--- a/core/service.go
+++ b/core/service.go
@@ -186,7 +186,7 @@ func (sh *serviceDescription) readProfile(authtype string, id string, binfo stri
 	if err != nil {
 		return "", err
 	}
-	if userinfo.token == "" {
+	if len(userinfo.token) == 0 {
 		return "", errors.New("refreshtoken token not found")
 	}
 
@@ -256,7 +256,7 @@ func (sh *serviceDescription) prepare(mg *Maingate) error {
 
 	if len(sh.VersionSplits) == 0 {
 		sh.VersionSplits = map[string]string{
-			"": strings.Join(namesOnly, ","),
+			"default": strings.Join(namesOnly, ","),
 		}
 	}
 
@@ -758,7 +758,7 @@ func (sh *serviceDescription) findVersionSplit(version string) []byte {
 			}
 		}
 	}
-	return sh.divisionsSplits[""]
+	return sh.divisionsSplits["default"]
 }
 
 func (sh *serviceDescription) serveHTTP(w http.ResponseWriter, r *http.Request) {