Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -ra60ec05d359c0d3f014015e9080b6dbcef0fea28 -r477515fb4a6518b538fd218a1638ba2958e82d1c
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision a60ec05d359c0d3f014015e9080b6dbcef0fea28)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 477515fb4a6518b538fd218a1638ba2958e82d1c)
@@ -91,7 +91,7 @@
 BOOL sendDialysateTempTargetsToDG( F32 primary, F32 trimmer );
 
 // MSG_ID_DG_SWITCH_RESERVOIR_CMD
-BOOL sendDGSwitchReservoirCommand( DG_RESERVOIR_ID_T activeReservoir );
+BOOL sendDGSwitchReservoirCommand( U32 activeReservoir );
 
 // MSG_ID_DG_FILL_CMD
 BOOL sendDGFillCommand( U32 fillToVolumeMl );