diff --git a/dap/algos/thresh.py b/dap/algos/thresh.py
index eb3e345..64c5d42 100644
--- a/dap/algos/thresh.py
+++ b/dap/algos/thresh.py
@@ -1,16 +1,18 @@
 import numpy as np
 
 
-def calc_apply_threshold(results, pfdata):
+def calc_apply_threshold(results, data):
     apply_threshold = results.get("apply_threshold", False)
     threshold_value_choice = results.get("threshold_value", "NaN")
     threshold_value = 0 if threshold_value_choice == "0" else np.nan
+
     if apply_threshold and all(k in results for k in ("threshold_min", "threshold_max")):
         threshold_min = float(results["threshold_min"])
         threshold_max = float(results["threshold_max"])
-        pfdata[pfdata < threshold_min] = threshold_value
+        data[data < threshold_min] = threshold_value
         if threshold_max > threshold_min:
-            pfdata[pfdata > threshold_max] = threshold_value
+            data[data > threshold_max] = threshold_value
+
     return threshold_value_choice