diff --git a/cubesatsim/cubesatsim.h b/cubesatsim/cubesatsim.h
index 5f099534..78c506ca 100644
--- a/cubesatsim/cubesatsim.h
+++ b/cubesatsim/cubesatsim.h
@@ -217,7 +217,7 @@ int uart_fd;
 int reset_count = 0;
 float uptime_sec = 1000;
 long int uptime = 1000;
-char call[5];
+//char call[5];
 char sim_yes[10];
 
 int mode = BPSK; // SSTV;