diff --git a/code_new/Sumit/rdown_pe.py b/code_new/Sumit/rdown_pe.py
index 8405d0fd74ca7945ad29bbdbba2b2d64d5aafcc0..c92e073cac48d68b9fb46fc44a03b6e1c2c8af65 100644
--- a/code_new/Sumit/rdown_pe.py
+++ b/code_new/Sumit/rdown_pe.py
@@ -65,7 +65,7 @@ class Ringdown_PE:
 
         sigma2 = self.errors2 + self.l_int*(self.datare** 2+self.dataim**2) * np.exp(2 * theta[-1])
 
-        result = -0.5*np.sum(((self.datare - modelevre)**2+(self.dataim - modelevim)**2)/sigma2+self.l_int*(2*np.log(sigma2)))-self.l_int*self.norm_factor
+        result = -0.5*np.sum(((self.datare - modelevre)**2+(self.dataim - modelevim)**2)/sigma2+self.l_int*(np.log(2*np.pi*sigma2)))-self.l_int*self.norm_factor
 
         if np.isnan(result):
             return -np.inf