diff --git a/iblrig_custom_tasks/_sp_passiveVideo/task.py b/iblrig_custom_tasks/_sp_passiveVideo/task.py
index 409f05b..8e32bb6 100644
--- a/iblrig_custom_tasks/_sp_passiveVideo/task.py
+++ b/iblrig_custom_tasks/_sp_passiveVideo/task.py
@@ -143,8 +143,10 @@ def next_trial(self):
 
     def _set_bpod_out(self, val):
         """Set Bpod BNC1 output state."""
+        BNC_HIGH = 255
+        BNC_LOW = 0
         if isinstance(val, bool):
-            val = 255 if val else 128
+            val = BNC_HIGH if val else BNC_LOW
         self.bpod.manual_override(Bpod.ChannelTypes.OUTPUT, Bpod.ChannelNames.BNC, channel_number=1, value=val)
 
     def _run(self):
diff --git a/pyproject.toml b/pyproject.toml
index 7ed8c04..e1e2320 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name            = "project_extraction"
-version         = "0.4.0"
+version         = "0.4.1"
 description     = "Custom extractors for satellite tasks"
 dynamic         = [ "readme" ]
 keywords        = [ "IBL", "neuro-science" ]