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-rw-r--r--guix/build/utils.scm2
1 files changed, 1 insertions, 1 deletions
diff --git a/guix/build/utils.scm b/guix/build/utils.scm
index a3446cb617..6de1fa3b1e 100644
--- a/guix/build/utils.scm
+++ b/guix/build/utils.scm
@@ -837,7 +837,7 @@ the previous wrapper."
     (if (zero? number)
         (let ((prog-real (string-append (dirname prog) "/."
                                         (basename prog) "-real")))
-          (copy-file prog prog-real)
+          (rename-file prog prog-real)
           prog-real)
         (wrapper-file-name number)))