Index: firmware/App/Modes/Rinseback.c
===================================================================
diff -u -r30a8d95285f2bd81238ff5536ebe4d53feb51f00 -racf165d4bdd93d15f77e12e4cef3af7d6fb322ca
--- firmware/App/Modes/Rinseback.c	(.../Rinseback.c)	(revision 30a8d95285f2bd81238ff5536ebe4d53feb51f00)
+++ firmware/App/Modes/Rinseback.c	(.../Rinseback.c)	(revision acf165d4bdd93d15f77e12e4cef3af7d6fb322ca)
@@ -698,7 +698,7 @@
 {
     BOOL result = FALSE;
 
-    if ( ( rinsebackRate_mL_min + RINSEBACK_FLOW_RATE_ADJ_ML_MIN ) >= MIN_RINSEBACK_FLOW_RATE_ML_MIN )
+    if ( ( rinsebackRate_mL_min - RINSEBACK_FLOW_RATE_ADJ_ML_MIN ) >= MIN_RINSEBACK_FLOW_RATE_ML_MIN )
     {
         if ( RINSEBACK_RUN_STATE == rinsebackState )
         {