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-rw-r--r--gnu/build/accounts.scm2
1 files changed, 1 insertions, 1 deletions
diff --git a/gnu/build/accounts.scm b/gnu/build/accounts.scm
index 5094456ab1..f60d68d9b3 100644
--- a/gnu/build/accounts.scm
+++ b/gnu/build/accounts.scm
@@ -238,7 +238,7 @@ to it atomically and set the appropriate permissions."
       (for-each (lambda (entry)
                   (display (entry->string entry) port)
                   (newline port))
-                entries))
+                (delete-duplicates entries)))
 
     (if (port? file-or-port)
         (write-entries file-or-port)