diff --git a/BioArchLinux/r-jfa/PKGBUILD b/BioArchLinux/r-jfa/PKGBUILD
index c06d4a52db..e121bd4e35 100644
--- a/BioArchLinux/r-jfa/PKGBUILD
+++ b/BioArchLinux/r-jfa/PKGBUILD
@@ -47,9 +47,17 @@ optdepends=(
   r-samplingbook
   r-testthat
 )
-source=("https://cran.r-project.org/src/contrib/${_pkgname}_${_pkgver}.tar.gz")
-md5sums=('2d99aa11cb75b26c85f0fde696ee2fcc')
-b2sums=('44d5b877d4a37394870fc6ab62ae755a87e9221a2c32ac55d7d96dc48c99c186dca94c0cf7606f4c94ddd69cf8097bae788cd3590806ff45c91e2ae2718cbd27')
+source=("https://cran.r-project.org/src/contrib/${_pkgname}_${_pkgver}.tar.gz"
+        "$_pkgname-fix-tests.patch::https://github.com/koenderks/jfa/commit/6f515a5adc01ab7534a4f2b24005f5d71ea36c2b.patch")
+md5sums=('2d99aa11cb75b26c85f0fde696ee2fcc'
+         '854be57f42f4583c46f1c0960ee92970')
+b2sums=('44d5b877d4a37394870fc6ab62ae755a87e9221a2c32ac55d7d96dc48c99c186dca94c0cf7606f4c94ddd69cf8097bae788cd3590806ff45c91e2ae2718cbd27'
+        '44b992f5937df02da5ea92ae5573922a286e20364d1d3a2729bfe0876ce70853aca8d69fef234f1c7405c5b891541363289792599a308c4471513d58af8d42d8')
+
+prepare() {
+  # fix tests
+  patch -Np1 -d "$_pkgname" < "$_pkgname-fix-tests.patch"
+}
 
 build() {
   mkdir build