Index: firmware/App/Drivers/GLXferPump.c
===================================================================
diff -u -r59db8aee013909ad99e034b638b27e16a2d88df7 -r98bd6dd355e8736e020b3900ca971120c26ad8a6
--- firmware/App/Drivers/GLXferPump.c	(.../GLXferPump.c)	(revision 59db8aee013909ad99e034b638b27e16a2d88df7)
+++ firmware/App/Drivers/GLXferPump.c	(.../GLXferPump.c)	(revision 98bd6dd355e8736e020b3900ca971120c26ad8a6)
@@ -72,12 +72,12 @@
  *************************************************************************/
 void setAirPumpMotorPower( F32 power )
 {
-    scalarPowerLevel = convertPercentageToScalar( power );
+    U08 scalarPower = scalarPowerLevel = convertPercentageToScalar( power );
 
     // if state is changing, set the air pump to the given on/off state and send event
     if ( power != currentAirPumpMotorPowerLevel )
     {
-        setH12AirPumpMotorPowerLevel( scalarPowerLevel );
+        setH12AirPumpMotorPowerLevel( scalarPower );
         SEND_EVENT_WITH_2_F32_DATA( TD_EVENT_AIR_PUMP_ON_OFF, currentAirPumpMotorPowerLevel, power );
         currentAirPumpMotorPowerLevel = power;
     }