diff --git a/gnu/packages/scheme.scm b/gnu/packages/scheme.scm
index 0165875b93..ad06d7db06 100644
--- a/gnu/packages/scheme.scm
+++ b/gnu/packages/scheme.scm
@@ -1242,6 +1242,7 @@ (define-public stklos
     (version "1.70")
     (source (origin
               (method url-fetch)
+              ;; TODO: Unbundle pcre, libgc, and libffi.
               (uri (string-append "https://stklos.net/download/stklos-"
                                   version ".tar.gz"))
               (sha256
@@ -1254,22 +1255,18 @@ (define-public stklos
                   ,@%gnu-build-system-modules)
       #:phases
       #~(modify-phases %standard-phases
-          (add-before 'configure 'patch-sh-paths
+          (add-before 'configure 'patch-sh-references
             (lambda* (#:key inputs #:allow-other-keys)
-              (let ((bash-bin (search-input-file inputs "/bin/bash")))
+              (let ((bash (which "bash")))
                 (substitute* "configure"
-                  (("/bin/sh") bash-bin)))))
-          (add-after 'configure 'patch-rm-paths
-            (lambda* (#:key inputs #:allow-other-keys)
-              (let ((rm-bin (search-input-file inputs "/bin/rm")))
-                (ftw "."
-                     (lambda (filename stat-info f)
-                       (when (and
-                              (equal? f 'regular)
-                              (string=? (basename filename) "Makefile"))
-                         (substitute* filename
-                           (("/bin/rm") rm-bin)))
-                       #t))))))))
+                  (("/bin/sh") bash)))))
+          (add-after 'configure 'patch-rm-references
+            (lambda _
+              (let ((rm (which "rm")))
+                (substitute* (find-files "." "^Makefile$")
+                  (("/bin/rm") rm))))))))
+    (properties
+     '((release-monitoring-url . "https://stklos.net/download.html")))
     (home-page "https://stklos.net")
     (synopsis "R7RS Scheme with CLOS-like object system")
     (description
@@ -1278,4 +1275,4 @@ (define-public stklos
 as well as light.  The implementation is based on an ad-hoc Virtual
 Machine.  STklos can also be compiled as a library and embedded in an
 application.")
-    (license gpl2)))
+    (license gpl2+)))