Index: firmware/App/Controllers/DialOutFlow.c
===================================================================
diff -u -rd0c2c5ec93f7fae9772c14e9aa0baec0b20ed5ce -r9bf9b19ed82c7cc8cdb6b0fdcd67401dc1561d58
--- firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision d0c2c5ec93f7fae9772c14e9aa0baec0b20ed5ce)
+++ firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision 9bf9b19ed82c7cc8cdb6b0fdcd67401dc1561d58)
@@ -289,8 +289,11 @@
 
         totalTargetUFVolumeInMl.data = 0.0;
 
-        simulator_inlet_flow_rate = (F32) rxFlowRateinMlPerMin;
 
+        #ifdef DIALOUT_SIMULATOR
+            simulator_inlet_flow_rate = (F32) rxFlowRateinMlPerMin;
+        #endif
+
         rxTotalTargetVolumeInMl = (F32) rxTotalVolumeInMl;
         rxTargetTimeInSamples = (U32) rxTotalTimeInMinutes * SEC_PER_MIN * DIAL_OUT_CONTROLLER_SAMPLE_FREQ ;
         rxInitialTargetFlowRatePWM = RANGE( DOP_PWM_FROM_ML_PER_MIN( rxFlowRateinMlPerMin ), MIN_DIAL_OUT_PUMP_PWM_DUTY_CYCLE, MAX_DIAL_OUT_PUMP_PWM_DUTY_CYCLE );