Index: firmware/App/Modes/ModeTreatmentParams.c
===================================================================
diff -u -r05ee4d67c5e3406ee46c5da7d2c86da21036f897 -r83d46d8b27ff7e2452d3f20b423289d03df5757d
--- firmware/App/Modes/ModeTreatmentParams.c	(.../ModeTreatmentParams.c)	(revision 05ee4d67c5e3406ee46c5da7d2c86da21036f897)
+++ firmware/App/Modes/ModeTreatmentParams.c	(.../ModeTreatmentParams.c)	(revision 83d46d8b27ff7e2452d3f20b423289d03df5757d)
@@ -865,7 +865,7 @@
  *************************************************************************/
 F32 getUltrafiltrationRateOriginal( void )
 {
-    return origTreatmentParams.uFVolume_L * ML_PER_LITER / origTreatmentParams.treatmentDuration_min;
+    return ( ( origTreatmentParams.uFVolume_L * ML_PER_LITER ) / origTreatmentParams.treatmentDuration_min );
 }
 
 /*************************************************************************