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-rw-r--r--gnu/build/file-systems.scm2
1 files changed, 1 insertions, 1 deletions
diff --git a/gnu/build/file-systems.scm b/gnu/build/file-systems.scm
index 4ac7a7f8c6..84f58538fd 100644
--- a/gnu/build/file-systems.scm
+++ b/gnu/build/file-systems.scm
@@ -293,7 +293,7 @@ run a file system check."
        (mkdir-p (string-append root "/etc"))
        (let ((port (open-file (string-append root "/etc/mtab") "a")))
          (format port "~a ~a ~a ~a 0 0~%"
-                 source mount-point type (or options ""))
+                 source mount-point type (or options "rw"))
          (close-port port))))))
 
 ;;; file-systems.scm ends here