diff --git a/DESCRIPTION b/DESCRIPTION
index cae1eae7314ce12bd8388ce129ef55a0e5a2e274..11cdda52dff05c0e8848016c825ddda5291bd757 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: airGR
 Type: Package
 Title: Suite of GR Hydrological Models for Precipitation-Runoff Modelling
-Version: 1.2.9.14
+Version: 1.2.9.15
 Date: 2019-03-18
 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 9d869a2e6695603e0568b0151e0ba40319ded895..214188665d81eca27ba499885a21a2e245a63278 100644
--- a/NEWS.rmd
+++ b/NEWS.rmd
@@ -13,7 +13,7 @@ output:
 
 
 
-### 1.2.9.14 Release Notes (2019-03-18) 
+### 1.2.9.15 Release Notes (2019-03-18) 
 
 
 
diff --git a/R/plot.OutputsModel.R b/R/plot.OutputsModel.R
index a750eed8ff961eb844cbaa0f46f4bb863813093c..647583083757ddfd988e2a6d325dcef3edc0f966 100644
--- a/R/plot.OutputsModel.R
+++ b/R/plot.OutputsModel.R
@@ -329,7 +329,7 @@ plot.OutputsModel <- function(x, Qobs = NULL, IndPeriod_Plot = NULL, BasinArea =
     lines(SnowPackLayerMean[IndPeriod_Plot], type = "l", lwd = lwd * lwdk *1.0, col = "darkorchid4")
     axis(side = 2, at = pretty(ylim1), labels = pretty(ylim1), cex.axis = cex.axis, ...)
     par(las = 0)
-    mtext(side = 2, expression(paste0("temp. [", degree, "C]")),  padj = 0.2, line = line, cex = cex.lab)
+    mtext(side = 2, expression(paste("temp. [", degree, "C]"), sep = ""),  padj = 0.2, line = line, cex = cex.lab)
     par(las = 0)
     legend("topright", legend = c("mean", "layers"), col = c("darkorchid4", "orchid"),
            lty = c(1, 3), lwd = c(lwd*1.0, lwd*0.8),