diff --git a/cubesatsim/play_pwm.cpp b/cubesatsim/play_pwm.cpp
index f7f81bb5..d761fedf 100644
--- a/cubesatsim/play_pwm.cpp
+++ b/cubesatsim/play_pwm.cpp
@@ -232,7 +232,7 @@ int led_pin = LED_BUILTIN;
        } 
     }
   }
-  i.close();
+//  i.close();
   Serial.printf("\nResult: %d count: %d", finished, index1);	
 
 //  return(finished);