diff --git a/R/RunModel_LBLR.R b/R/RunModel_LBLR.R
index 0e596e0b821a1eae9c22f498c2e703d03e90162c..089bffb1d9721cb00a673d8b9c134ad6e37ae2cd 100644
--- a/R/RunModel_LBLR.R
+++ b/R/RunModel_LBLR.R
@@ -63,10 +63,10 @@ RunModel_LBLR <- function(InputsModel, RunOptions, Param, QcontribDown) {
                   QcontribDown)
   }
 
-
   ## Parameters set up
-  TParam <- Param[1L]
-  KParam <- Param[2L]
+  ## Param[1L] et Param[2L] : m/s
+  TParam <- max(InputsModel$LengthHydro) * 1e3 / Param[1L] / RunOptions$FeatFUN_MOD$TimeStep #T en pdt
+  KParam <-  max(InputsModel$LengthHydro) * 1e3 / Param[2L] / RunOptions$FeatFUN_MOD$TimeStep # T en pdt
 
 
   PK <- ifelse(InputsModel$LengthHydro == 0, 0,