diff --git a/.buildlibrary b/.buildlibrary
index fe1e751..f293794 100644
--- a/.buildlibrary
+++ b/.buildlibrary
@@ -1,4 +1,4 @@
-ValidationKey: '4793972'
+ValidationKey: '4813864'
 AutocreateReadme: yes
 AcceptedWarnings:
 - 'Warning: package ''.*'' was built under R version'
diff --git a/CITATION.cff b/CITATION.cff
index b056593..8fdfdae 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -2,7 +2,7 @@ cff-version: 1.2.0
 message: If you use this software, please cite it using the metadata from this file.
 type: software
 title: 'magpie4: MAgPIE outputs R package for MAgPIE version 4.x'
-version: 2.4.1
+version: 2.4.2
 date-released: '2024-06-18'
 abstract: Common output routines for extracting results from the MAgPIE framework
   (versions 4.x).
@@ -65,6 +65,7 @@ authors:
 - family-names: Vartika
   given-names: Singh
 license: LGPL-3.0
+keywords: ~
 repository-code: https://github.com/pik-piam/magpie4
 doi: 10.5281/zenodo.1158582
 
diff --git a/DESCRIPTION b/DESCRIPTION
index 6a73f84..6fe2802 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Type: Package
 Package: magpie4
 Title: MAgPIE outputs R package for MAgPIE version 4.x
-Version: 2.4.1
+Version: 2.4.2
 Date: 2024-06-18
 Authors@R: c(
     person("Benjamin Leon", "Bodirsky", , "bodirsky@pik-potsdam.de", role = c("aut", "cre")),
diff --git a/R/BII.R b/R/BII.R
index 28ab78c..94f4a31 100644
--- a/R/BII.R
+++ b/R/BII.R
@@ -66,6 +66,7 @@ BII <- function(gdx, file = NULL, level = "glo", mode = "auto", landClass = "sum
     } else {
       agg_weight <- spatialWeight
     }
+    agg_weight <- agg_weight + 10^-10
 
     reg <- toolAggregate(bii, rel = mapping, from = "cell", to = "region", weight = agg_weight, wdim = 1)
     glo <- toolAggregate(bii, rel = mapping, from = "cell", to = "global", weight = agg_weight, wdim = 1)
diff --git a/README.md b/README.md
index 7a4de46..cdbedbc 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # MAgPIE outputs R package for MAgPIE version 4.x
 
-R package **magpie4**, version **2.4.1**
+R package **magpie4**, version **2.4.2**
 
 [![CRAN status](https://www.r-pkg.org/badges/version/magpie4)](https://cran.r-project.org/package=magpie4) [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.1158582.svg)](https://doi.org/10.5281/zenodo.1158582) [![R build status](https://github.com/pik-piam/magpie4/workflows/check/badge.svg)](https://github.com/pik-piam/magpie4/actions) [![codecov](https://codecov.io/gh/pik-piam/magpie4/branch/master/graph/badge.svg)](https://app.codecov.io/gh/pik-piam/magpie4) [![r-universe](https://pik-piam.r-universe.dev/badges/magpie4)](https://pik-piam.r-universe.dev/builds)
 
@@ -39,7 +39,7 @@ In case of questions / problems please contact Benjamin Leon Bodirsky <bodirsky@
 
 To cite package **magpie4** in publications use:
 
-Bodirsky B, Humpenoeder F, Dietrich J, Stevanovic M, Weindl I, Karstens K, Wang X, Mishra A, Beier F, Breier J, Yalew A, Chen D, Biewald A, Wirth S, von Jeetze P, Leip D, Crawford M, Alves M (2024). _magpie4: MAgPIE outputs R package for MAgPIE version 4.x_. doi:10.5281/zenodo.1158582 <https://doi.org/10.5281/zenodo.1158582>, R package version 2.4.1, <https://github.com/pik-piam/magpie4>.
+Bodirsky B, Humpenoeder F, Dietrich J, Stevanovic M, Weindl I, Karstens K, Wang X, Mishra A, Beier F, Breier J, Yalew A, Chen D, Biewald A, Wirth S, von Jeetze P, Leip D, Crawford M, Alves M (2024). _magpie4: MAgPIE outputs R package for MAgPIE version 4.x_. doi:10.5281/zenodo.1158582 <https://doi.org/10.5281/zenodo.1158582>, R package version 2.4.2, <https://github.com/pik-piam/magpie4>.
 
 A BibTeX entry for LaTeX users is
 
@@ -48,8 +48,8 @@ A BibTeX entry for LaTeX users is
   title = {magpie4: MAgPIE outputs R package for MAgPIE version 4.x},
   author = {Benjamin Leon Bodirsky and Florian Humpenoeder and Jan Philipp Dietrich and Miodrag Stevanovic and Isabelle Weindl and Kristine Karstens and Xiaoxi Wang and Abhijeet Mishra and Felicitas Beier and Jannes Breier and Amsalu Woldie Yalew and David Chen and Anne Biewald and Stephen Wirth and Patrick {von Jeetze} and Debbora Leip and Michael Crawford and Marcos Alves},
   year = {2024},
-  note = {R package version 2.4.1},
-  doi = {10.5281/zenodo.1158582},
+  note = {R package version 2.4.2},
   url = {https://github.com/pik-piam/magpie4},
+  doi = {10.5281/zenodo.1158582},
 }
 ```