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Diffstat (limited to 'src/mame/drivers/mcatadv.c')
-rw-r--r--src/mame/drivers/mcatadv.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/mcatadv.c b/src/mame/drivers/mcatadv.c
index 864916ffa6c..ca5b51f218a 100644
--- a/src/mame/drivers/mcatadv.c
+++ b/src/mame/drivers/mcatadv.c
@@ -481,7 +481,7 @@ static void sound_irq( int irq )
{
cpunum_set_input_line(1,0,irq ? ASSERT_LINE : CLEAR_LINE);
}
-static struct YM2610interface mcatadv_ym2610_interface =
+static const struct YM2610interface mcatadv_ym2610_interface =
{
sound_irq, /* irq */
REGION_SOUND1, /* delta_t */