diff --git a/guix/build/gnu-build-system.scm b/guix/build/gnu-build-system.scm
index a8136063ef..dbbb71af35 100644
--- a/guix/build/gnu-build-system.scm
+++ b/guix/build/gnu-build-system.scm
@@ -343,7 +343,7 @@ (define (strip-dir dir)
               debug-output objcopy-command))
     (file-system-fold (const #t)
                       (lambda (path stat result)  ; leaf
-                        (and (elf-file? path)
+                        (and (or (elf-file? path) (ar-file? path))
                              (or (not debug-output)
                                  (make-debug-file path))
                              (zero? (apply system* strip-command