Index: firmware/App/Modes/Prime.c
===================================================================
diff -u -r2aeabba6bbaf35c31be651340e8ecb1889a5d9a1 -r023566f1e1c9a4829eca62d6c0ef1c1da2f12292
--- firmware/App/Modes/Prime.c	(.../Prime.c)	(revision 2aeabba6bbaf35c31be651340e8ecb1889a5d9a1)
+++ firmware/App/Modes/Prime.c	(.../Prime.c)	(revision 023566f1e1c9a4829eca62d6c0ef1c1da2f12292)
@@ -871,7 +871,7 @@
     {
         DG_SWITCH_RSRVRS_CMD_T rsrvrCmd;
 
-        rsrvrCmd.reservoirID            = (U32)DG_RESERVOIR_2;
+        rsrvrCmd.reservoirID            = (U32)DG_RESERVOIR_1;
         rsrvrCmd.useLastTrimmerHeaterDC = FALSE;
 
         cmdSetDGActiveReservoir( &rsrvrCmd );