diff --git a/components/RemoteNodeEdit.qml b/components/RemoteNodeEdit.qml
index 4b003969..314cb45d 100644
--- a/components/RemoteNodeEdit.qml
+++ b/components/RemoteNodeEdit.qml
@@ -96,6 +96,7 @@ GridLayout {
         fontColor: lineEditFontColor
         fontBold: lineEditFontBold
         fontSize: lineEditFontSize
+        validator: IntValidator{bottom: 1; top: 65535;}
 
         onEditingFinished: root.editingFinished()
     }