1 files changed, 1 insertions, 1 deletions
diff --git a/src/Context.hpp b/src/Context.hpp
index b7624811..9d608410 100644
--- a/src/Context.hpp
+++ b/src/Context.hpp
@@ -82,7 +82,7 @@ public:
   std::string i_tmpfile;
 
   // The preprocessor's stderr output.
-  std::string cpp_stderr_data;
+  util::Bytes cpp_stderr_data;
 
   // Headers (or directories with headers) to ignore in manifest mode.
   std::vector<std::string> ignore_header_paths;