diff --git a/src/uxncli.c b/src/uxncli.c
index 87e7f1e..14522e8 100644
--- a/src/uxncli.c
+++ b/src/uxncli.c
@@ -18,7 +18,7 @@ WITH REGARD TO THIS SOFTWARE.
 */
 
 Uint16 deo_mask[] = {0x6a08, 0x0300, 0xc028, 0x8000, 0x8000, 0x8000, 0x8000, 0x0000, 0x0000, 0x0000, 0xa260, 0xa260, 0x0000, 0x0000, 0x0000, 0x0000};
-Uint16 dei_mask[] = {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x07fd, 0x0000, 0x0000, 0x0000};
+Uint16 dei_mask[] = {0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x07ff, 0x0000, 0x0000, 0x0000};
 
 static int
 emu_error(char *msg, const char *err)