diff --git a/causallearn/search/PermutationBased/BOSS.py b/causallearn/search/PermutationBased/BOSS.py
index 85551b8..cf18d43 100644
--- a/causallearn/search/PermutationBased/BOSS.py
+++ b/causallearn/search/PermutationBased/BOSS.py
@@ -23,7 +23,7 @@
 
 def boss(
     X: np.ndarray,
-    score_func: str = "local_score_BIC_from_cov",
+    score_func: str = "local_score_BIC",
     parameters: Optional[Dict[str, Any]] = None,
     verbose: Optional[bool] = True,
     node_names: Optional[List[str]] = None,