diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index 496d16e5..2c1d221a 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -586,7 +586,8 @@ void get_tlm_fox() {
 //   }
     memset(rs_frame, 0, sizeof(rs_frame));
     memset(parities, 0, sizeof(parities));
-//    Serial.println("After memset");      
+//    Serial.println("After memset");   
+   uptime = (int)(millis() / 1000.0);	  
 
     h[0] = (short int) ((h[0] & 0xf8) | (id & 0x07)); // 3 bits
 //    Serial.println("After h[0]");