diff --git a/Fitter.py b/Fitter.py
index 26887fd..7f5be0a 100644
--- a/Fitter.py
+++ b/Fitter.py
@@ -163,7 +163,7 @@ class Fitter:
         self.fi_contrasts = []
         self.eod_freq = 0
 
-        self.sc_max_lag = 2
+        self.sc_max_lag = 1
 
         # values to be replicated:
         self.baseline_freq = 0
@@ -403,7 +403,7 @@ class Fitter:
 
         error_sc = 0
         for i in range(self.sc_max_lag):
-            error_sc = abs((serial_correlation[i] - self.serial_correlation[i]) / self.serial_correlation[i])
+            error_sc = abs((serial_correlation[i] - self.serial_correlation[i]) / (self.serial_correlation[i]/10))
         error_sc = error_sc / self.sc_max_lag
 
         error_f_inf_slope = abs((f_infinities_slope - self.f_inf_slope) / (self.f_inf_slope/20))