diff --git a/cubesatsim/cubesatsim.h b/cubesatsim/cubesatsim.h
index 3a421696..215b91f7 100644
--- a/cubesatsim/cubesatsim.h
+++ b/cubesatsim/cubesatsim.h
@@ -143,7 +143,7 @@ long time_start;
 //char cmdbuffer[1000];
 //FILE * file1;//
 #define BUFFER_SIZE  (2^15)
-short int buffer[100000]; //BUFFER_SIZE]; // ctr is an int // 100000]; // 50000]; // 25000]; // 10240]; // was 2336400]; // max size for 10 frames count of BPSK
+short int buffer[50000]; //BUFFER_SIZE]; // ctr is an int // 100000]; // 50000]; // 25000]; // 10240]; // was 2336400]; // max size for 10 frames count of BPSK
 //short int buffer[(WAV_DATA_LENGTH/8)];
 //FILE *sopen(const char *program);