diff --git a/ta/others.py b/ta/others.py
index 0cb43a57..c986b145 100644
--- a/ta/others.py
+++ b/ta/others.py
@@ -25,9 +25,7 @@ def __init__(self, close: pd.Series, fillna: bool = False):
         self._run()
 
     def _run(self):
-        self._dr = (
-            self._close / self._close.shift(1, fill_value=self._close.mean())
-        ) - 1
+        self._dr = (self._close / self._close.shift(1)) - 1
         self._dr *= 100
 
     def daily_return(self) -> pd.Series: