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Diffstat (limited to 'src/mame/drivers/laserbat.c')
-rw-r--r--src/mame/drivers/laserbat.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/laserbat.c b/src/mame/drivers/laserbat.c
index eda496b4a4f..2d479c9fea1 100644
--- a/src/mame/drivers/laserbat.c
+++ b/src/mame/drivers/laserbat.c
@@ -558,7 +558,7 @@ static VIDEO_UPDATE( laserbat )
/* Laser Battle sound **********************************/
-static struct SN76477interface sn76477_interface =
+static const struct SN76477interface sn76477_interface =
{
RES_K(47), /* 4 noise_res R21 47K */
0, /* 5 filter_res (variable) */