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-rw-r--r--src/mame/audio/scramble.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/audio/scramble.c b/src/mame/audio/scramble.c
index 09aadfb4e50..37fe1342855 100644
--- a/src/mame/audio/scramble.c
+++ b/src/mame/audio/scramble.c
@@ -141,7 +141,7 @@ static void filter_w(device_t *device, int data)
if (data & 2)
C += 47000; /* 47000pF = 0.047uF */
if (device != NULL)
- filter_rc_set_RC(device,FLT_RC_LOWPASS,1000,5100,0,CAP_P(C));
+ dynamic_cast<filter_rc_device*>(device)->filter_rc_set_RC(FLT_RC_LOWPASS, 1000, 5100, 0, CAP_P(C));
}
WRITE8_MEMBER(scramble_state::scramble_filter_w)