Index: firmware/App/Modes/ModeChemicalDisinfect.c
===================================================================
diff -u -rc4f3105da2ed8a7c40950588b54b79067185a3ad -rc940dea020a10f2bab23ae92aa6932c375c26dd4
--- firmware/App/Modes/ModeChemicalDisinfect.c	(.../ModeChemicalDisinfect.c)	(revision c4f3105da2ed8a7c40950588b54b79067185a3ad)
+++ firmware/App/Modes/ModeChemicalDisinfect.c	(.../ModeChemicalDisinfect.c)	(revision c940dea020a10f2bab23ae92aa6932c375c26dd4)
@@ -1367,7 +1367,7 @@
 static DG_RESERVOIR_STATUS_T getRsrvrDrainStatus( DG_RESERVOIR_ID_T r, U32 drainSteadyStateTimeout, U32 timeout )
 {
     DG_RESERVOIR_STATUS_T status = DG_RESERVOIR_ABOVE_TARGET;
-    BOOL isDrainComplete         = hasTargetDrainVolumeBeenReached( r, drainSteadyStateTimeout );
+    BOOL isDrainComplete         = hasTargetDrainToZeroBeenReached( r, drainSteadyStateTimeout );
 
     // If the drain parameters of the reservoir is not initialized, initialize them
     if ( FALSE == haveDrainParamsBeenInit[ r ] )