diff --git a/windows/hid.c b/windows/hid.c
index 0b26bf9..a8cff54 100755
--- a/windows/hid.c
+++ b/windows/hid.c
@@ -162,7 +162,7 @@ static void register_error(hid_device *device, const char *op)
 		NULL,
 		GetLastError(),
 		MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
-		(LPWSTR)&msg, 0/*sz*/,
+		(LPVOID)&msg, 0/*sz*/,
 		NULL);
 	
 	/* Get rid of the CR and LF that FormatMessage() sticks at the