Index: firmware/App/Modes/ModeTreatmentParams.c
===================================================================
diff -u -rbb80dbac26147ab08413efa91007f7ffed43c38f -r6f9114398c3d37f2b17fff8fdb7f2b2c9bfc6a4b
--- firmware/App/Modes/ModeTreatmentParams.c	(.../ModeTreatmentParams.c)	(revision bb80dbac26147ab08413efa91007f7ffed43c38f)
+++ firmware/App/Modes/ModeTreatmentParams.c	(.../ModeTreatmentParams.c)	(revision 6f9114398c3d37f2b17fff8fdb7f2b2c9bfc6a4b)
@@ -351,7 +351,7 @@
         origTreatmentParams.venousPressureHighLimit_mmHg = getCriticalData( &treatmentParameters[ TREATMENT_PARAM_VEN_PRESSURE_HIGH_LIMIT ] ).sInt;
 
         // If using Heparin in this treatment, set state to stopped otherwise off
-        if ( ( stagedParams[ TREATMENT_PARAM_HEPARIN_BOLUS_VOLUME ] > 0.0 ) || ( stagedParams[ TREATMENT_PARAM_HEPARIN_DISPENSE_RATE ] > 0.0 ) )
+        if ( ( stagedParams[ TREATMENT_PARAM_HEPARIN_BOLUS_VOLUME ].sFlt > 0.0 ) || ( stagedParams[ TREATMENT_PARAM_HEPARIN_DISPENSE_RATE ].sFlt > 0.0 ) )
         {
             setHeparinStopped();
         }