diff --git a/afsk/main.c b/afsk/main.c
index 097e183f..96f2c6b2 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1095,7 +1095,8 @@ void get_tlm_fox() {
       while ((millis() - sampleTime) < (unsigned int)samplePeriod)
         sleep((unsigned int)sleepTime);
 */
-//      sleep(2.3);  // No sleep at all!
+      if (mode == FSK)  // don't sleep for BPSK
+	sleep(2.3);  // No sleep at all!
 //      sleep(1.3);
 	    
       digitalWrite(txLed, txLedOff);