Index: firmware/App/Modes/ModePreTreat.c
===================================================================
diff -u -rda59fa4a98dbc11c37677e92a66aa940d251678f -r222b05e39082f727dcfa2d144fa6e040501882f0
--- firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision da59fa4a98dbc11c37677e92a66aa940d251678f)
+++ firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 222b05e39082f727dcfa2d144fa6e040501882f0)
@@ -164,7 +164,7 @@
             presUFRateMlMin = ( presUFVolumeL * (F32)ML_PER_LITER ) / (F32)getTreatmentParameterU32( TREATMENT_PARAM_TREATMENT_DURATION );
             // Direct DD to generate dialysate and bypass while priming blood
             cmdStartGenerateDialysate( (F32)getTreatmentParameterU32( TREATMENT_PARAM_DIALYSATE_FLOW ), presUFRateMlMin,
-                                       getTreatmentParameterF32( TREATMENT_PARAM_DIALYSATE_TEMPERATURE ), TRUE,
+                                       getTreatmentParameterF32( TREATMENT_PARAM_DIALYSATE_TEMPERATURE ), DD_GEND_DIALYSATE_BYPASS_STATE,
                                        getTreatmentParameterF32( TREATMENT_PARAM_ACID_CONCENTRATE_CONV_FACTOR ),
                                        bicarbConvFactor,
                                        getTreatmentParameterU32( TREATMENT_PARAM_SODIUM ),