Index: firmware/App/Modes/Dialysis.c
===================================================================
diff -u -r4ac6a67ab2876d1f436704fe67a958e17d0b432a -r161a56481d1a194704b63a5fd55d4c5583fa94df
--- firmware/App/Modes/Dialysis.c	(.../Dialysis.c)	(revision 4ac6a67ab2876d1f436704fe67a958e17d0b432a)
+++ firmware/App/Modes/Dialysis.c	(.../Dialysis.c)	(revision 161a56481d1a194704b63a5fd55d4c5583fa94df)
@@ -721,7 +721,7 @@
     updateUFVolumes();
 
     // If we have reached target UF volume, UF is complete
-    if ( measUFVolume >= maxUFVolumeML )
+    if ( refUFVolume >= maxUFVolumeML )
     {
         result = UF_COMPLETED_STATE;
     }