Index: firmware/App/Modes/StateTxBloodPrime.c
===================================================================
diff -u -reef41b7363d82763095a1317f1757f360f0d9ec1 -rd60111ba816fe36078c5c061b7b85d880b8b030b
--- firmware/App/Modes/StateTxBloodPrime.c	(.../StateTxBloodPrime.c)	(revision eef41b7363d82763095a1317f1757f360f0d9ec1)
+++ firmware/App/Modes/StateTxBloodPrime.c	(.../StateTxBloodPrime.c)	(revision d60111ba816fe36078c5c061b7b85d880b8b030b)
@@ -91,7 +91,7 @@
     cumulativeBloodPrimeVolume_mL.data = 0.0;
     resetBloodPrimeFlags();
 
-    bloodPrimeTargetVolume_mL = (F32)getTreatmentParameterU32( TUBING_BLOOD_PRIME_VOLUME_ML ) + getDialyzerBloodVolume( getTreatmentParameterU32( TREATMENT_PARAM_DIALYZER_TYPE ) );
+    bloodPrimeTargetVolume_mL = TUBING_BLOOD_PRIME_VOLUME_ML + (F32)( getDialyzerBloodVolume( getTreatmentParameterU32( TREATMENT_PARAM_DIALYZER_TYPE ) ) );
     bloodPrimeRampFlowRate_mL_min = (F32)BLOOD_PRIME_INIT_BP_FLOW_RATE_ML_MIN;
 
     // Calculate BP ramp step size