diff --git a/ofdm/cfo_coarse_int.m b/ofdm/cfo_coarse_int.m
index 98086ac..bf029d0 100644
--- a/ofdm/cfo_coarse_int.m
+++ b/ofdm/cfo_coarse_int.m
@@ -7,7 +7,7 @@ end
 alpha = 0.01;
 rho = 0.999;
 k_boost = 4;
-noise_eps = 1e-1;
+noise_eps = 1e-3;
 
 if 1
     bin_pilots = c2i(N, carrier_pilot)-1;