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Diffstat (limited to 'src/mame/drivers/volfied.c')
-rw-r--r--src/mame/drivers/volfied.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/volfied.c b/src/mame/drivers/volfied.c
index 5beade74828..3bf1d7d4d4a 100644
--- a/src/mame/drivers/volfied.c
+++ b/src/mame/drivers/volfied.c
@@ -240,7 +240,7 @@ static void irqhandler(int irq)
cpunum_set_input_line(1, 0, irq ? ASSERT_LINE : CLEAR_LINE);
}
-static struct YM2203interface ym2203_interface =
+static const struct YM2203interface ym2203_interface =
{
input_port_0_r, /* DSW A */
input_port_1_r, /* DSW B */