diff --git a/DESCRIPTION b/DESCRIPTION
index a6d748381624aac8d7c537713a977bd4f7e166a7..1556c1207ab575582c91cb816cc708e41c8437c8 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Package: airGR
 Type: Package
 Title: Suite of GR Hydrological Models for Precipitation-Runoff Modelling
-Version: 1.0.9.38
-Date: 2017-09-05
+Version: 1.0.9.39
+Date: 2017-09-07
 Authors@R: c(
   person("Laurent", "Coron", role = c("aut", "trl")),
   person("Charles", "Perrin", role = c("aut", "ths")),
diff --git a/R/CreateIniStates.R b/R/CreateIniStates.R
index faa603ec660afeb0a8d71f1914e698d84a79dcf7..6cf925a44db67ce039bf7959b3026d957bff3ada 100644
--- a/R/CreateIniStates.R
+++ b/R/CreateIniStates.R
@@ -62,11 +62,14 @@ CreateIniStates <- function(FUN_MOD, InputsModel,
   
   
   ## check states
-  if (any(ProdStore < 0) | any(RoutStore < 0) | any(ExpStore < 0) |
+  if (any(ProdStore < 0) | any(RoutStore < 0) |
       any(UH1 < 0) | any(UH2 < 0) |
-      any(GCemaNeigeLayers < 0) | any(eTGCemaNeigeLayers < 0)) {
-    stop("Negative values are not allowed for any state variables")
+      any(GCemaNeigeLayers < 0)) {
+    stop("Negative values are not allowed for any of 'ProdStore', 'RoutStore', 'UH1', 'UH2', 'GCemaNeigeLayers'")
   }
+  if (any(eTGCemaNeigeLayers > 0)) {
+    stop("Positive values are not allowed for 'eTGCemaNeigeLayers'")
+  }  
   
   if (identical(FUN_MOD, RunModel_GR6J) | identical(FUN_MOD, RunModel_CemaNeigeGR6J)) {
     if (is.null(ExpStore)) {