diff --git a/rowers/datautils.py b/rowers/datautils.py
index 4c96f0ca..fb9fe437 100644
--- a/rowers/datautils.py
+++ b/rowers/datautils.py
@@ -223,6 +223,9 @@ def getcp(dfgrouped,logarr):
         mask = rolling_std == 0
         ww.loc[mask] = 0
 
+        mask = ww > 2000
+        ww.loc[mask] = 0
+
         tmax = tt.max()