diff --git a/BioArchLinux/r-clst/PKGBUILD b/BioArchLinux/r-clst/PKGBUILD
index 0961101f61..b269547f4d 100644
--- a/BioArchLinux/r-clst/PKGBUILD
+++ b/BioArchLinux/r-clst/PKGBUILD
@@ -3,7 +3,7 @@
 _pkgname=clst
 _pkgver=1.42.0
 pkgname=r-${_pkgname,,}
-pkgver=${_pkgver//[:-]/.}
+pkgver=1.42.0
 pkgrel=1
 pkgdesc='Classification by local similarity threshold'
 arch=('any')
@@ -17,7 +17,7 @@ optdepends=(
   r-runit
 )
 source=("https://bioconductor.org/packages/release/bioc/src/contrib/${_pkgname}_${_pkgver}.tar.gz")
-sha256sums=('a')
+sha256sums=('59b8317c6c9ab4ceab2c2c5bab785e792b30bfe0d25e9e4aae69af4208af43b5')
 
 build() {
   R CMD INSTALL ${_pkgname}_${_pkgver}.tar.gz -l "${srcdir}"