diff --git a/files/file.c b/files/file.c
index dbae5f2..d698bf6 100644
--- a/files/file.c
+++ b/files/file.c
@@ -79,7 +79,7 @@
 
 mode_t FILE_umask;
 
-extern WINAPI HANDLE FILE_SmbOpen(LPCSTR name);
+extern HANDLE WINAPI FILE_SmbOpen(LPCSTR name);
 
 /***********************************************************************
  *                  Asynchronous file I/O                              *