Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -rdf41331377d5da437e853327019c17c58e3af775 -rac05209d7b6c65b22359754eced5ad2672d3092a
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision df41331377d5da437e853327019c17c58e3af775)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision ac05209d7b6c65b22359754eced5ad2672d3092a)
@@ -1060,6 +1060,7 @@
     payload.treatmentSubMode = subMode;
     payload.uFState = uFState;
     payload.salineBolusState = salineBolusState;
+    payload.heparinState = 0;  // TODO - add this later
 
     memcpy( payloadPtr, &payload, sizeof( TREATMENT_STATE_DATA_T ) );