diff --git a/src/os-platform.hpp b/src/os-platform.hpp
index f16cb2df..989071ad 100644
--- a/src/os-platform.hpp
+++ b/src/os-platform.hpp
@@ -72,6 +72,7 @@ namespace os {
 class FileHandle {
 public:
   FileHandle() : m_handle(INVALID_HANDLE_VALUE) {}
+  FileHandle(HANDLE handle) : m_handle(handle) {}
 
   static auto std_input() -> FileHandle;
   static auto std_output() -> FileHandle;
@@ -86,7 +87,6 @@ class FileHandle {
   void close();
 
 private:
-  FileHandle(HANDLE handle) : m_handle(handle) {}
   HANDLE m_handle;
 };