1 files changed, 1 insertions, 1 deletions
diff --git a/winsup/cygwin/cygthread.h b/winsup/cygwin/cygthread.h
index 479a0682c..b0c07af0a 100644
--- a/winsup/cygwin/cygthread.h
+++ b/winsup/cygwin/cygthread.h
@@ -27,7 +27,7 @@ class cygthread
   cygthread (LPTHREAD_START_ROUTINE, LPVOID, const char *);
   cygthread () {};
   static void init ();
-  void detach (bool = false);
+  bool detach (HANDLE = NULL);
   operator HANDLE ();
   static bool is ();
   void * operator new (size_t);