diff --git a/mlsauce/booster/_booster_regressor.py b/mlsauce/booster/_booster_regressor.py
index 0bca08e..88566dc 100644
--- a/mlsauce/booster/_booster_regressor.py
+++ b/mlsauce/booster/_booster_regressor.py
@@ -5,7 +5,10 @@
 from sklearn.base import RegressorMixin
 
 import pyximport; pyximport.install()
-from . import _boosterc as boosterc
+try:
+    from . import _boosterc as boosterc
+except ImportError:
+    pass
 
 from ..predictioninterval import PredictionInterval
 from ..utils import cluster