Index: firmware/App/Controllers/MixingControl.c
===================================================================
diff -u -rcf3c037762699407089411de04bc9d1f4b597784 -rb65c5a8339507472f1933979c21af7601abf9c1a
--- firmware/App/Controllers/MixingControl.c	(.../MixingControl.c)	(revision cf3c037762699407089411de04bc9d1f4b597784)
+++ firmware/App/Controllers/MixingControl.c	(.../MixingControl.c)	(revision b65c5a8339507472f1933979c21af7601abf9c1a)
@@ -733,8 +733,8 @@
             }
             else
             {
-                lastBicarbMixVolume = getBicarbMixVol();
                 //use the previous value
+                lastBicarbMixVolume = getBicarbMixVol();
             }
 
             debugBicarbControl = getDebugPIControllerSignals( PI_CONTROLLER_ID_BICARB_VOL );