diff --git a/ofdm/ofdm_rx.m b/ofdm/ofdm_rx.m
index e41e91b..6174c66 100644
--- a/ofdm/ofdm_rx.m
+++ b/ofdm/ofdm_rx.m
@@ -2,7 +2,7 @@ function ofdm_rx(x)
 
 close all;
 
-CP_SIZE = 254;
+CP_SIZE = 256;
 FFT_SIZE = 1024;
 fa = 48000;