diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index 2e2de5ed..5a1b6e6b 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -2171,7 +2171,7 @@ void start_pwm() {
      *  4.0f for 22 KHz
      *  2.0f for 44 KHz etc
      */
-    pwm_config_set_clkdiv(&config, 4.0); // 8.0); //16.0);   // 8.0f);  was 16 for some reason
+    pwm_config_set_clkdiv(&config, 8.0); //16.0);   // 8.0f);  was 16 for some reason
     pwm_config_set_wrap(&config, 178); // 250); 
     pwm_init(audio_pin_slice, &config, true);