Index: firmware/App/Modes/ModePreGenDialysate.c
===================================================================
diff -u -r67731d57db9a620418b3b848d8f75ff204902c36 -r38ee99e9adeb19cacb0c88807e8f6f48b076a241
--- firmware/App/Modes/ModePreGenDialysate.c	(.../ModePreGenDialysate.c)	(revision 67731d57db9a620418b3b848d8f75ff204902c36)
+++ firmware/App/Modes/ModePreGenDialysate.c	(.../ModePreGenDialysate.c)	(revision 38ee99e9adeb19cacb0c88807e8f6f48b076a241)
@@ -269,7 +269,7 @@
 
         case DD_WET_SELF_TEST_NEGATIVE_DEAERATION_PRES_CHECK:
             //Make sure Water Inlet Valve is open
-            setValveState( DD_M4_VALV, VALVE_STATE_OPEN );
+            setValveState( M4_VALV, VALVE_STATE_OPEN );
 
             // Start timer for hyd chamber negative pressure check state
             hydChamberPressureCheckStartTimeMS = getMSTimerCount();