diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index d24ef4c5..a2241b4e 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -395,6 +395,8 @@ void read_config_file() {
 	  sim_mode = true;	
 	
   config_file.close();	
+	
+  write_config_file();	
 }
 
 void write_config_file() {
@@ -419,7 +421,6 @@ void write_config_file() {
 	
 }
 
-
 void send_aprs_packet() {	
 // encode telemetry
   get_tlm_ao7();