diff --git a/sis8300bcmApp/Db/sis8300bcm-acct.template b/sis8300bcmApp/Db/sis8300bcm-acct.template
index ee41c8a67c2e8b3201356f4e1b2e06d9696a0a29..2751982b654782a8042fc4c91b7e169fb7581b7d 100644
--- a/sis8300bcmApp/Db/sis8300bcm-acct.template
+++ b/sis8300bcmApp/Db/sis8300bcm-acct.template
@@ -250,10 +250,11 @@ record(ai, "$(P)$(R)DroopRateR")
 
 record(calcout, "$(P)$(R)DroopRateCalc")
 {
+    field(INPA, "$(P)$(R)CalibrationSample1R")
     field(INPB, "$(P)$(R)CalibrationSample2R")
     field(INPC, "$(P)$(R)CalibrationSample3R")
     field(INPD, "$(P_BCM=$(P))$(R)CalibrationPulseCounter CPP")
-    field(CALC, "100*(B-C) / (2.86*B)")
+    field(CALC, "100*(B-C) / (2.4*(B-A))")
     field(OUT,  "$(P)$(R)DroopRate PP")
 }