diff --git a/DESCRIPTION b/DESCRIPTION
index 8835ee74b41bb65170a17e7f85f958c57464aebc..205afbf15604bd65214f46de0116fdd2ddcda0b8 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: airGR
 Type: Package
 Title: Suite of GR Hydrological Models for Precipitation-Runoff Modelling
-Version: 1.2.12.24
+Version: 1.2.12.25
 Date: 2019-04-01
 Authors@R: c(
   person("Laurent", "Coron", role = c("aut", "trl"), comment = c(ORCID = "0000-0002-1503-6204")),
diff --git a/NEWS.rmd b/NEWS.rmd
index 7f993906c58e5f13e622d1ebf2253280f704f0f1..b82b25c59a8b0935e5ab8f7a5eed5f4e845aab7a 100644
--- a/NEWS.rmd
+++ b/NEWS.rmd
@@ -13,7 +13,7 @@ output:
 
 
 
-### 1.2.12.24 Release Notes (2019-04-01) 
+### 1.2.12.25 Release Notes (2019-04-01) 
 
 
 
diff --git a/R/Calibration_Michel.R b/R/Calibration_Michel.R
index b19b05de5e8fa72a6efa73bc7f670a0996e2329c..377ccc7a317419f02573a1dd2e227dc820414b2d 100644
--- a/R/Calibration_Michel.R
+++ b/R/Calibration_Michel.R
@@ -31,10 +31,10 @@ Calibration_Michel <- function(InputsModel,
     stop("'InputsCrit' must be of class 'Single' or 'Compo'")
   }
   if (inherits(InputsCrit, "Single")) {
-    listVarObs <- InputsCrit$varObs
+    listVarObs <- InputsCrit$VarObs
   }
   if (inherits(InputsCrit, "Compo")) {
-    listVarObs <- sapply(InputsCrit, FUN = "[[", "varObs")
+    listVarObs <- sapply(InputsCrit, FUN = "[[", "VarObs")
   }
   if ("SCA" %in% listVarObs & !"Gratio" %in% RunOptions$Outputs_Cal) {
     warning("Missing 'Gratio' is automatically added to 'Output_Cal' in 'RunOptions' as it is necessary in the objective function for comparison with SCA")