diff --git a/models/unit/unit.go b/models/unit/unit.go
index b05f34b64..eb7127678 100644
--- a/models/unit/unit.go
+++ b/models/unit/unit.go
@@ -193,6 +193,14 @@ func (u Unit) IsLessThan(unit Unit) bool {
 	return u.Idx < unit.Idx
 }
 
+// MaxPerm returns the max perms of this unit
+func (u Unit) MaxPerm() perm.AccessMode {
+	if u.Type == TypeExternalTracker || u.Type == TypeExternalWiki {
+		return perm.AccessModeRead
+	}
+	return perm.AccessModeAdmin
+}
+
 // Enumerate all the units
 var (
 	UnitCode = Unit{
diff --git a/templates/org/team/new.tmpl b/templates/org/team/new.tmpl
index 1cf2dd023..9877e9a94 100644
--- a/templates/org/team/new.tmpl
+++ b/templates/org/team/new.tmpl
@@ -89,10 +89,10 @@
 									</thead>
 									<tbody>
 										{{range $t, $unit := $.Units}}
-											{{if ge $unit.MaxPerms 2}}
+											{{if ge $unit.MaxPerm 2}}
 												<tr>
 													<td>
-														<div {{if $unit.Type.UnitGlobalDisabled}}class="field tooltip" data-content="{{$.i18n.Tr "repo.unit_disabled"}}">{{- else -}}class="field"{{end}}>
+														<div {{if $unit.Type.UnitGlobalDisabled}}class="field tooltip" data-content="{{$.i18n.Tr "repo.unit_disabled"}}"{{- else -}}class="field"{{end}}>
 															<div class="ui">
 																<label>{{$.i18n.Tr $unit.NameKey}}{{if $unit.Type.UnitGlobalDisabled}} {{$.i18n.Tr "org.team_unit_disabled"}}{{end}}</label>
 																<span class="help">{{$.i18n.Tr $unit.DescKey}}</span>
@@ -120,7 +120,7 @@
 									</tbody>
 								</table>
 								{{range $t, $unit := $.Units}}
-									{{if lt $unit.MaxPerms 2}}
+									{{if lt $unit.MaxPerm 2}}
 										<div {{if $unit.Type.UnitGlobalDisabled}}class="field tooltip" data-content="{{$.i18n.Tr "repo.unit_disabled"}}"{{else}}class="field"{{end}}>
 											<div class="ui checkbox">
 												<input type="checkbox" class="hidden" name="unit_{{$unit.Type.Value}}" value="1"{{if or (eq $.Team.ID 0) (eq ($.Team.UnitAccessMode $unit.Type) 1)}} checked{{end}} {{if $unit.Type.UnitGlobalDisabled}}disabled{{end}}>