diff --git a/glib/gthread-win32.c b/glib/gthread-win32.c
index 20aca6fa1..30448fe43 100644
--- a/glib/gthread-win32.c
+++ b/glib/gthread-win32.c
@@ -580,7 +580,8 @@ SetThreadName (DWORD  dwThreadID,
 #ifdef _MSC_VER
    __try
      {
-       RaiseException (EXCEPTION_SET_THREAD_NAME, 0, infosize, (DWORD *) &info);
+       RaiseException (EXCEPTION_SET_THREAD_NAME, 0, infosize,
+                       (const ULONG_PTR *) &info);
      }
    __except (EXCEPTION_EXECUTE_HANDLER)
      {