diff --git a/gnu/packages/admin.scm b/gnu/packages/admin.scm
index 65d2e387b5..cb698e82b8 100644
--- a/gnu/packages/admin.scm
+++ b/gnu/packages/admin.scm
@@ -385,9 +385,15 @@ (define-public shepherd-0.10
                (base32
                 "0v9ld9gbqdp5ya380fbkdsxa0iqr90gi6yk004ccz3n792nq6wlj"))))
     (native-inputs (modify-inputs (package-native-inputs shepherd-0.9)
-                     (replace "guile-fibers" guile-fibers-1.3)))
+                     (replace "guile-fibers"
+                       ;; Work around
+                       ;; <https://github.com/wingo/fibers/issues/89>.
+                       (if (target-aarch64?)
+                           guile-fibers-1.1
+                           guile-fibers-1.3))))
     (inputs (modify-inputs (package-inputs shepherd-0.9)
-              (replace "guile-fibers" guile-fibers-1.3)))))
+              (replace "guile-fibers"
+                (this-package-native-input "guile-fibers"))))))
 
 (define-public shepherd shepherd-0.9)