diff --git a/afsk/main.c b/afsk/main.c
index eabfbb91..c52ea7c3 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1406,7 +1406,7 @@ void get_tlm_fox() {
 //      while ((millis() - sampleTime) < (unsigned int)samplePeriod)
      int startSleep = millis();	    
       while ((millis() - sampleTime) < ((unsigned int)frameTime - 100))
-        sleep(0.25);
+        sleep(0.5);  // 25);
 //        sleep((unsigned int)sleepTime);
 /**/