diff --git a/gnu/packages/commencement.scm b/gnu/packages/commencement.scm
index b777d9b389..2b02c24bd1 100644
--- a/gnu/packages/commencement.scm
+++ b/gnu/packages/commencement.scm
@@ -1217,8 +1217,8 @@ (define binutils-mesboot1
         #~(let ((out (assoc-ref %outputs "out")))
             `("--disable-nls" "--disable-shared"
               "--disable-werror"
-              "--build=i686-unknown-linux-gnu"
-              "--host=i686-unknown-linux-gnu"
+              ,(string-append "--build=" #$(commencement-build-target))
+              ,(string-append "--host=" #$(commencement-build-target))
               "--with-sysroot=/"
               ,(string-append "--prefix=" out))))))))