diff --git a/ersilia/setup/requirements/bentoml.py b/ersilia/setup/requirements/bentoml.py
index e2725debd..3d7fae70c 100644
--- a/ersilia/setup/requirements/bentoml.py
+++ b/ersilia/setup/requirements/bentoml.py
@@ -6,10 +6,9 @@ class BentoMLRequirement(object):
     def __init__(self):
         pass
 
-    def is_installed(self):
+    def _is_installed(self):
         try:
             import bentoml
-
             return True
         except ImportError:
             return False