diff --git a/R/plot_OutputsModel.R b/R/plot_OutputsModel.R
index 26e3873478690cc1069ddba9d6ee03e40b0f088f..ac288d81531bb3013350da6aaed3c3e39eb7687a 100644
--- a/R/plot_OutputsModel.R
+++ b/R/plot_OutputsModel.R
@@ -193,7 +193,7 @@ plot_OutputsModel <- function(OutputsModel, Qobs = NULL, IndPeriod_Plot = NULL,
     txtleg <- NULL; colleg <- NULL;
     if(BOOL_Qobs){ lines(Xaxis,DATA2[IndPeriod_Plot],lwd=lwdLine,lty=1,col="black"); txtleg <- c(txtleg,"observed"); colleg <- c(colleg,"black"); }
     if(BOOL_Qsim){ lines(Xaxis,DATA3[IndPeriod_Plot],lwd=lwdLine,lty=1,col="orangered"); txtleg <- c(txtleg,"simulated"); colleg <- c(colleg,"orangered"); }
-    axis(side=2,at=pretty(ylim1),labels=pretty(ylim1),cex.axis=cexaxis)
+    axis(side=2,at=pretty(ylim1),labels=round(exp(pretty(ylim1)), 2),cex.axis=cexaxis)
     par(las=0); mtext(side=2,paste("flow  ",plotunit,sep=""),line=lineY,cex=cexlab); par(las=0);
     if(!is.null(BasinArea)){
       Factor <- Factor_UNIT_M3S;