diff --git a/.buildlibrary b/.buildlibrary
index 3fd52c4..de66603 100644
--- a/.buildlibrary
+++ b/.buildlibrary
@@ -1,4 +1,4 @@
-ValidationKey: '29034598'
+ValidationKey: '29083776'
 AcceptedWarnings:
 - 'Warning: package ''.*'' was built under R version'
 - 'Warning: namespace ''.*'' is not available and has been replaced'
diff --git a/CITATION.cff b/CITATION.cff
index 6b61f9a..bf2a452 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -2,8 +2,8 @@ cff-version: 1.2.0
 message: If you use this software, please cite it using the metadata from this file.
 type: software
 title: 'mip: Comparison of multi-model runs'
-version: 0.147.1
-date-released: '2024-01-16'
+version: 0.147.2
+date-released: '2024-02-05'
 abstract: Package contains generic functions to produce comparison plots of multi-model
   runs.
 authors:
diff --git a/DESCRIPTION b/DESCRIPTION
index ebeb466..a08fe6c 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,8 +1,8 @@
 Type: Package
 Package: mip
 Title: Comparison of multi-model runs
-Version: 0.147.1
-Date: 2024-01-16
+Version: 0.147.2
+Date: 2024-02-05
 Authors@R: c(
     person("David", "Klein", , "dklein@pik-potsdam.de", role = c("aut", "cre")),
     person("Jan Philipp", "Dietrich", , "dietrich@pik-potsdam.de", role = "aut"),
@@ -47,4 +47,4 @@ VignetteBuilder:
     knitr
 Encoding: UTF-8
 LazyData: yes
-RoxygenNote: 7.3.0
+RoxygenNote: 7.3.1
diff --git a/R/showMultiLinePlotsByVariable.R b/R/showMultiLinePlotsByVariable.R
index 3c005c9..805ea95 100644
--- a/R/showMultiLinePlotsByVariable.R
+++ b/R/showMultiLinePlotsByVariable.R
@@ -58,7 +58,6 @@ showMultiLinePlotsByVariable <- function(
   checkGlobalOptionsProvided(c("mainReg", "histRefModel"))
   stopifnot(is.character(mainReg) && length(mainReg) == 1)
   stopifnot(is.character(histRefModel) && !is.null(names(histRefModel)))
-  stopifnot(xVar %in% names(histRefModel))
 
   dy <- data %>%
     filter(.data$variable %in% .env$vars)
@@ -110,6 +109,7 @@ showMultiLinePlotsByVariable <- function(
     expand_limits(y = 0) +
     ylab(label) + xlab(xLabel)
   if (showHistorical) {
+    stopifnot(xVar %in% names(histRefModel))
     p1 <- p1 +
       geom_point(data = dMainHist, aes(shape = .data$model)) +
       geom_line(data = dMainHist, aes(group = paste0(.data$model, .data$region)), alpha = 0.5)
diff --git a/README.md b/README.md
index 0725723..651f341 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Comparison of multi-model runs
 
-R package **mip**, version **0.147.1**
+R package **mip**, version **0.147.2**
 
 [![CRAN status](https://www.r-pkg.org/badges/version/mip)](https://cran.r-project.org/package=mip) [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.1158586.svg)](https://doi.org/10.5281/zenodo.1158586) [![R build status](https://github.com/pik-piam/mip/workflows/check/badge.svg)](https://github.com/pik-piam/mip/actions) [![codecov](https://codecov.io/gh/pik-piam/mip/branch/master/graph/badge.svg)](https://app.codecov.io/gh/pik-piam/mip) [![r-universe](https://pik-piam.r-universe.dev/badges/mip)](https://pik-piam.r-universe.dev/builds)
 
@@ -47,7 +47,7 @@ In case of questions / problems please contact David Klein <dklein@pik-potsdam.d
 
 To cite package **mip** in publications use:
 
-Klein D, Dietrich J, Baumstark L, Humpenoeder F, Stevanovic M, Wirth S, Führlich P, Richters O (2024). _mip: Comparison of multi-model runs_. doi:10.5281/zenodo.1158586 <https://doi.org/10.5281/zenodo.1158586>, R package version 0.147.1, <https://github.com/pik-piam/mip>.
+Klein D, Dietrich J, Baumstark L, Humpenoeder F, Stevanovic M, Wirth S, Führlich P, Richters O (2024). _mip: Comparison of multi-model runs_. doi:10.5281/zenodo.1158586 <https://doi.org/10.5281/zenodo.1158586>, R package version 0.147.2, <https://github.com/pik-piam/mip>.
 
 A BibTeX entry for LaTeX users is
 
@@ -56,8 +56,8 @@ A BibTeX entry for LaTeX users is
   title = {mip: Comparison of multi-model runs},
   author = {David Klein and Jan Philipp Dietrich and Lavinia Baumstark and Florian Humpenoeder and Miodrag Stevanovic and Stephen Wirth and Pascal Führlich and Oliver Richters},
   year = {2024},
-  note = {R package version 0.147.1},
-  url = {https://github.com/pik-piam/mip},
+  note = {R package version 0.147.2},
   doi = {10.5281/zenodo.1158586},
+  url = {https://github.com/pik-piam/mip},
 }
 ```