diff --git a/DESCRIPTION b/DESCRIPTION
index 481de5209390f56875800948d061aefb75420269..5807afc31222c95f661dabb939f3ab916bcaa7b0 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: airGR
 Type: Package
 Title: Suite of GR Hydrological Models for Precipitation-Runoff Modelling
-Version: 1.6.9.9
-Date: 2021-01-08
+Version: 1.6.9.10
+Date: 2021-01-11
 Authors@R: c(
   person("Laurent", "Coron", role = c("aut", "trl"), comment = c(ORCID = "0000-0002-1503-6204")),
   person("Olivier", "Delaigue", role = c("aut", "cre"), comment = c(ORCID = "0000-0002-7668-8468"), email = "airGR@inrae.fr"),
diff --git a/NEWS.md b/NEWS.md
index 145e53bd95478c7dcf339e76889f0ca70b2a48e6..6b8f7269f19d991bcce243fd29c3a4d329805678 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -2,7 +2,7 @@
 
 
 
-### 1.6.9.9 Release Notes (2021-01-08)
+### 1.6.9.10 Release Notes (2021-01-11)
 
 #### New features
 
diff --git a/R/SeriesAggreg.list.R b/R/SeriesAggreg.list.R
index 2298a9f136ab8d6117db83d100f5e17d295b9ab6..55f054b9c37a7bfaf3e8d6e1f8b9bc7419e9c39a 100644
--- a/R/SeriesAggreg.list.R
+++ b/R/SeriesAggreg.list.R
@@ -17,11 +17,11 @@ SeriesAggreg.list <- function(x,
             call. = FALSE)
   }
   # Check ConvertFun
-  if (any(class(x) %in% c("InputsModel", "OutputsModel"))) {
+  if (any(classIni %in% c("InputsModel", "OutputsModel"))) {
     if (!all(is.na(ConvertFun))) {
       warning("Argument 'ConvertFun' is ignored on 'InputsModel' and 'OutputsModel' objects")
     }
-  } else if (length(ConvertFun)!=1) {
+  } else if (length(ConvertFun) != 1) {
     stop("Argument 'ConvertFun' must be of length 1 with 'list' object")
   } else if (!is.character(ConvertFun)) {
     stop("Argument 'ConvertFun' must be a character")