diff --git a/fancy_rl/projections/kl_projection.py b/fancy_rl/projections/kl_projection.py
index eb65fd8..cd1a5fb 100644
--- a/fancy_rl/projections/kl_projection.py
+++ b/fancy_rl/projections/kl_projection.py
@@ -1,5 +1,9 @@
 import torch
-import cpp_projection
+try:
+    import cpp_projection
+    cpp_projection_available = True
+except ImportError:
+    cpp_projection_available = False
 import numpy as np
 from .base_projection import BaseProjection
 from tensordict.nn import TensorDictModule