diff --git a/src/litegraph.js b/src/litegraph.js
index 63a5ce9d0..767506af8 100755
--- a/src/litegraph.js
+++ b/src/litegraph.js
@@ -4952,7 +4952,9 @@ LGraphNode.prototype.executeAction = function(action)
         this.title = o.title;
         this._bounding.set(o.bounding);
         this.color = o.color;
-        this.font_size = o.font_size;
+        if (o.font_size) {
+            this.font_size = o.font_size;
+        }
     };
 
     LGraphGroup.prototype.serialize = function() {