diff --git a/pygam/pygam.py b/pygam/pygam.py
index bebcef13..299c4b90 100644
--- a/pygam/pygam.py
+++ b/pygam/pygam.py
@@ -2461,6 +2461,7 @@ def __init__(
             terms=terms,
             distribution=NormalDist(scale=self.scale),
             link='identity',
+            callbacks=callbacks,
             max_iter=max_iter,
             tol=tol,
             fit_intercept=fit_intercept,