Index: firmware/App/Modes/ModeDrain.c
===================================================================
diff -u -rb3b1fa54f778d9f202c28bb1970db2616367f0b1 -r4c20f6a3d8c8ff33d2dff4ba27e0732c7614378b
--- firmware/App/Modes/ModeDrain.c	(.../ModeDrain.c)	(revision b3b1fa54f778d9f202c28bb1970db2616367f0b1)
+++ firmware/App/Modes/ModeDrain.c	(.../ModeDrain.c)	(revision 4c20f6a3d8c8ff33d2dff4ba27e0732c7614378b)
@@ -116,9 +116,9 @@
 
     // determine which load cell to use for drain volume - we want weight of inactive reservoir
 #ifndef BETA_V1_BUILD
-    if ( RESERVOIR_2 == getActiveReservoir() )
-#else
     if ( RESERVOIR_1 == getActiveReservoir() )
+#else
+    if ( RESERVOIR_2 == getActiveReservoir() )
 #endif
     {
         drainWeightLoadCell = LOAD_CELL_B1;