Index: firmware/App/Modes/ModeFill.c
===================================================================
diff -u -r1d4766a9ba6b087a7c86e776634707d8a1bfceaf -r2f26e48d0ed5cc3aad6d4b1840005e60c944074d
--- firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision 1d4766a9ba6b087a7c86e776634707d8a1bfceaf)
+++ firmware/App/Modes/ModeFill.c	(.../ModeFill.c)	(revision 2f26e48d0ed5cc3aad6d4b1840005e60c944074d)
@@ -583,7 +583,7 @@
         // to dialysate production directly
         if ( TRUE == isThisTheFirstFill() )
         {
-            sendRORejectionRatioRequestToHD();
+            sendMaxRORejectionRatioRequestToHD();
             result = DG_FILL_MODE_STATE_PRIME_CONCENTRATE_LINES;
 
             if ( TRUE == getTestConfigStatus( TEST_CONFIG_EXPEDITE_PRE_TREATMENT ) )