diff --git a/srcpkgs/mksh/template b/srcpkgs/mksh/template
index 5108c8953d..a591126198 100644
--- a/srcpkgs/mksh/template
+++ b/srcpkgs/mksh/template
@@ -1,7 +1,7 @@
 # Template file for 'mksh'
 pkgname=mksh
-version=R50
-revision=3
+version=R50b
+revision=1
 wrksrc=mksh
 register_shell="/bin/mksh"
 short_desc="The MirBSD Korn Shell"
@@ -9,7 +9,7 @@ maintainer="Ypnose <linuxienATlegtuxDOTorg>"
 homepage="https://www.mirbsd.org/mksh.htm"
 license="MirOS"
 distfiles="https://www.mirbsd.org/MirOS/dist/mir/mksh/$pkgname-$version.tgz"
-checksum="3538cef97df5ba964091f68119fd90822a9589b701a832ecd471c234b6179b56"
+checksum="51ff2f8b6450f50823f42b8f2431a0f17c40c9f2b0f83e15aa0d05a09627cd49"
 
 do_build() {
 	sh ./Build.sh -r -c lto