remove 'format' from Error constructor calls

1 files changed, 2 insertions, 2 deletions

diff --git a/src/nix/cat.cc b/src/nix/cat.cc
index 851f90abd..4e14f50ed 100644
--- a/src/nix/cat.cc
+++ b/src/nix/cat.cc
@@ -13,9 +13,9 @@ struct MixCat : virtual Args
     {
         auto st = accessor->stat(path);
         if (st.type == FSAccessor::Type::tMissing)
-            throw Error(format("path '%1%' does not exist") % path);
+            throw Error("path '%1%' does not exist", path);
         if (st.type != FSAccessor::Type::tRegular)
-            throw Error(format("path '%1%' is not a regular file") % path);
+            throw Error("path '%1%' is not a regular file", path);
 
         std::cout << accessor->readFile(path);
     }