diff --git a/srcpkgs/yabasic/template b/srcpkgs/yabasic/template
index a748cebb01d..346c3ef8b83 100644
--- a/srcpkgs/yabasic/template
+++ b/srcpkgs/yabasic/template
@@ -6,6 +6,7 @@ revision=1
 build_style=gnu-configure
 hostmakedepends="pkg-config"
 makedepends="libXt-devel ncurses-devel libffi-devel"
+checkdepends="tmux"
 short_desc="Yet another Basic"
 maintainer="Orphaned <orphan@voidlinux.org>"
 license="MIT"
@@ -13,15 +14,6 @@ homepage="https://2484.de/yabasic/"
 distfiles="https://2484.de/yabasic/download/yabasic-${version}.tar.gz"
 checksum=7dc609c078fe81bb6e7728a87873d7010a21f520a4d513313aa1160371f771d5
 
-post_patch() {
-	# those test cases use tmux which for some reason can't fdforkpty(3)
-	vsed \
-		-e 's;tests/inkey.sh;;' \
-		-e 's;tests/print-at.sh;;' \
-		-e 's;tests/run_in_script.sh;;' \
-		-i Makefile.in
-}
-
 do_install() {
 	vbin yabasic
 	vman yabasic.1