diff --git a/finta/finta.py b/finta/finta.py
index 8500bcf..7d74bdb 100644
--- a/finta/finta.py
+++ b/finta/finta.py
@@ -1505,7 +1505,8 @@ def FISH(cls, ohlc: DataFrame, period: int = 10, adjust: bool = True) -> Series:
         A signal line which is a previous value of itself is also calculated.
         """
 
-        from numpy import log
+        from numpy import log, seterr
+        seterr(divide='ignore')
 
         med = (ohlc["high"] + ohlc["low"]) / 2
         ndaylow = med.rolling(window=period).min()