diff --git a/packages/core/src/part.mjs b/packages/core/src/part.mjs
index 6c1579c5985..eaa047856b6 100644
--- a/packages/core/src/part.mjs
+++ b/packages/core/src/part.mjs
@@ -295,6 +295,7 @@ Part.prototype.__getIdClosure = function () {
 
 /**
  * Copies point/path/snippet data from part orig into this
+ * Also sets the freeId
  *
  * @private
  * @param {object} orig - The original part to inject into this
@@ -307,6 +308,7 @@ Part.prototype.__inject = function (orig) {
     }
   }
 
+  this.freeId = orig.freeId
   for (let i in orig.points) this.points[i] = orig.points[i].clone()
   for (let i in orig.paths) {
     this.paths[i] = orig.paths[i].clone()