diff --git a/tests/benchmark/fixtures/L2NormalizeLayerFixture.h b/tests/benchmark/fixtures/L2NormalizeLayerFixture.h
index 296a2e9..ae5b1a1 100644
--- a/tests/benchmark/fixtures/L2NormalizeLayerFixture.h
+++ b/tests/benchmark/fixtures/L2NormalizeLayerFixture.h
@@ -64,6 +64,12 @@
         l2norm_func.run();
     }
 
+    void sync()
+    {
+        sync_if_necessary<TensorType>();
+        sync_tensor_if_necessary<TensorType>(dst);
+    }
+
     void teardown()
     {
         src.allocator()->free();