Get rid of some unchecked calls to std::cout

1 files changed, 1 insertions, 1 deletions

diff --git a/src/nix/ls.cc b/src/nix/ls.cc
index e964b01b3..c990a303c 100644
--- a/src/nix/ls.cc
+++ b/src/nix/ls.cc
@@ -93,7 +93,7 @@ struct MixLs : virtual Args, MixJSON
         if (json) {
             if (showDirectory)
                 throw UsageError("'--directory' is useless with '--json'");
-            std::cout << listNar(accessor, path, recursive);
+            logger->cout("%s", listNar(accessor, path, recursive));
         } else
             listText(accessor);
     }