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-rw-r--r--nixos/doc/manual/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/nixos/doc/manual/default.nix b/nixos/doc/manual/default.nix
index 40d49f1541b3..7e0d4ad92b01 100644
--- a/nixos/doc/manual/default.nix
+++ b/nixos/doc/manual/default.nix
@@ -65,7 +65,7 @@ let
       chmod -R u+w .
       ln -s ${modulesDoc} configuration/modules.xml
       ln -s ${optionsDocBook} options-db.xml
-      echo "${version}" > version
+      printf "%s" "${version}" > version
     '';
 
   toc = builtins.toFile "toc.xml"