diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index 9d2d704a..73618d78 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -4113,7 +4113,7 @@ void transmit_cw(int freq, float duration) {  // freq in Hz, duration in millise
       digitalWrite(BPSK_CONTROL_A, HIGH); 
     }
     while((micros() - start) < duration_us)  { }
-    if (clockgen_present) 	  
+    if (clockgen_present) {	  
       digitalWrite(BPSK_CONTROL_A, LOW);  	
       clockgen.enableOutputs(false);	
   }