diff --git a/Runtime/Scripts/PrimitiveCreateContext.cs b/Runtime/Scripts/PrimitiveCreateContext.cs
index 96156930..c554708a 100644
--- a/Runtime/Scripts/PrimitiveCreateContext.cs
+++ b/Runtime/Scripts/PrimitiveCreateContext.cs
@@ -111,6 +111,10 @@ public override bool IsCompleted {
             }
             Profiler.EndSample();
 
+            Profiler.BeginSample("UploadMeshData");
+            msh.UploadMeshData(true);
+            Profiler.EndSample();
+
             Profiler.BeginSample("Dispose");
             Dispose();
             Profiler.EndSample();
diff --git a/Runtime/Scripts/PrimitiveDracoCreateContext.cs b/Runtime/Scripts/PrimitiveDracoCreateContext.cs
index 2b8a00b8..ba7bf8e5 100644
--- a/Runtime/Scripts/PrimitiveDracoCreateContext.cs
+++ b/Runtime/Scripts/PrimitiveDracoCreateContext.cs
@@ -68,6 +68,10 @@ public override bool IsCompleted {
                 Profiler.EndSample();
             }
 
+            Profiler.BeginSample("UploadMeshData");
+            mesh.UploadMeshData(true);
+            Profiler.EndSample();
+
             return new Primitive(mesh,materials);
         }
     }