diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index 5faed34a..0ff3652b 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -2341,10 +2341,10 @@ void setup1() {
     pinMode(AUDIO_OUT_PIN, OUTPUT);
     if (mode == FSK) {	  
       Serial.println("Setup1 for FSK mode");
-      delay_ms_time = ((1.0 / 200.0) * 1000.0);	    
+      delay_time = (1.0 / 200.0);	    
     }  else {
       Serial.println("Setup1 for BPSK mode");
-      delay_ms_time = ((1.0 / 1200.0) * 1000.0);	   	    
+      delay_time = (1.0 / 1200.0);	   	    
     }
 	    
 	
@@ -2395,7 +2395,7 @@ void loop1() {
 	Serial.println(millis());	
   }
 //  delay(1); //2 1);
-  sleep(delay_ms_time);	
+  sleep(delay_time);	
 	
 // check pushbutton
 //    int pb_value;