diff --git a/DESCRIPTION b/DESCRIPTION
index fb0d44de5fb1b3bebebce074acc51ee7e4405ebf..705ecb7457296acd0f1b6945fada130569258749 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: airGR
 Type: Package
 Title: Suite of GR Hydrological Models for Precipitation-Runoff Modelling
-Version: 1.2.9.30
+Version: 1.2.9.31
 Date: 2019-03-20
 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 d4d6e2c6e00a2736b71700c8e4cbb87d40e19946..c15f129a52539992f8b253016d83c4d4a09ff853 100644
--- a/NEWS.rmd
+++ b/NEWS.rmd
@@ -13,7 +13,7 @@ output:
 
 
 
-### 1.2.9.30 Release Notes (2019-03-20) 
+### 1.2.9.31 Release Notes (2019-03-20) 
 
 
 
diff --git a/R/Calibration.R b/R/Calibration.R
index adc66d8e94b2935475084e216e2c1bd777c32c23..a65d78c4e41f4d00ea32e9c03b4ab4ead130af77 100644
--- a/R/Calibration.R
+++ b/R/Calibration.R
@@ -1,5 +1,11 @@
-Calibration <- function(InputsModel, RunOptions, InputsCrit, CalibOptions,
-                        FUN_MOD, FUN_CRIT, FUN_CALIB = Calibration_Michel, FUN_TRANSFO = NULL,
+Calibration <- function(InputsModel, 
+                        RunOptions, 
+                        InputsCrit, 
+                        CalibOptions,
+                        FUN_MOD, 
+                        FUN_CRIT,                      # deprecated
+                        FUN_CALIB = Calibration_Michel, 
+                        FUN_TRANSFO = NULL,
                         verbose = TRUE) {
   FUN_MOD   <- match.fun(FUN_MOD)
   FUN_CRIT  <- match.fun(FUN_CRIT)
@@ -7,6 +13,6 @@ Calibration <- function(InputsModel, RunOptions, InputsCrit, CalibOptions,
   if (!is.null(FUN_TRANSFO)) {
     FUN_TRANSFO <- match.fun(FUN_TRANSFO)
   }
-  return(FUN_CALIB(InputsModel, RunOptions, InputsCrit, CalibOptions, FUN_MOD, FUN_CRIT, FUN_TRANSFO, verbose = verbose))
+  return(FUN_CALIB(InputsModel, RunOptions, InputsCrit, CalibOptions, FUN_MOD, FUN_TRANSFO, verbose = verbose))
 }