diff --git a/ext/resindvd/resindvdsrc.c b/ext/resindvd/resindvdsrc.c
index 72c8d2544e..3e48e813bd 100644
--- a/ext/resindvd/resindvdsrc.c
+++ b/ext/resindvd/resindvdsrc.c
@@ -61,7 +61,7 @@ typedef enum
   RSN_BTN_LEFT = 0x01,
   RSN_BTN_RIGHT = 0x02,
   RSN_BTN_UP = 0x04,
-  RSN_BTN_DOWN = 0x04
+  RSN_BTN_DOWN = 0x08
 } RsnBtnMask;
 
 enum