diff --git a/programs/attrib/attrib.c b/programs/attrib/attrib.c
index 0938cb8307d..a5742048bcd 100644
--- a/programs/attrib/attrib.c
+++ b/programs/attrib/attrib.c
@@ -48,7 +48,7 @@ static WCHAR *ATTRIB_LoadMessage(UINT id)
  *  and hence required WriteConsoleW to output it, however if file i/o is
  *  redirected, it needs to be WriteFile'd using OEM (not ANSI) format
  * ========================================================================= */
-static int __cdecl ATTRIB_wprintf(const WCHAR *format, ...)
+static int WINAPIV ATTRIB_wprintf(const WCHAR *format, ...)
 {
     static WCHAR *output_bufW = NULL;
     static char  *output_bufA = NULL;