diff --git a/editor.html b/editor.html
index c0c757e..025ae9f 100644
--- a/editor.html
+++ b/editor.html
@@ -1218,6 +1218,8 @@ function applyPropChange(prop, value, inputType) {
 
     updateEntityList();
     render();
+    // Rebuild props panel when type changes (shows/hides type-specific fields)
+    if (prop === 'type') updateProps();
 }
 
 // ==================== Export ====================