diff --git a/openbr/plugins/stream.cpp b/openbr/plugins/stream.cpp
index 6d7fa27..ac354e2 100644
--- a/openbr/plugins/stream.cpp
+++ b/openbr/plugins/stream.cpp
@@ -1300,6 +1300,7 @@ public:
     {
         if (!transform)
             return;
+        trainable = transform->trainable;
 
         basis.setParent(this->parent());
         basis.transforms.clear();