Index: firmware/App/Modes/ModeHeatDisinfect.c
===================================================================
diff -u -rdaf8d5b60c753becab80cbaf164aac0e49d533a2 -r82d72d52bc2b2836ba8195f3d43b111e877bcd61
--- firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision daf8d5b60c753becab80cbaf164aac0e49d533a2)
+++ firmware/App/Modes/ModeHeatDisinfect.c	(.../ModeHeatDisinfect.c)	(revision 82d72d52bc2b2836ba8195f3d43b111e877bcd61)
@@ -507,7 +507,7 @@
         setDrainPumpTargetDeltaPressure( DRAIN_PUMP_TARGET_DELTA_PRESSURE );
         setROPumpTargetFlowRate( RO_PUMP_TARGET_FLOW_RATE_LPM );
 
-        if ( ++heatDisinfectCurrentCycle >= getNoOfCyclesToRun() )
+        if ( ++heatDisinfectCurrentCycle > getNoOfCyclesToRun() )
         {
             drainPumpTargetRPM = DRAIN_PUMP_DISINFECT_DRAIN_PATH_TARGET_RPM;
             heatDisinfectInternalState = INTERNAL_HEAT_DISINFECT_STATE_OFF;