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-rw-r--r--src/mame/audio/redbaron.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/audio/redbaron.cpp b/src/mame/audio/redbaron.cpp
index b9ada2027de..ff50862cf7a 100644
--- a/src/mame/audio/redbaron.cpp
+++ b/src/mame/audio/redbaron.cpp
@@ -38,8 +38,8 @@ const device_type REDBARON = &device_creator<redbaron_sound_device>;
redbaron_sound_device::redbaron_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, REDBARON, "Red Baron Audio Custom", tag, owner, clock, "redbaron_custom", __FILE__),
device_sound_interface(mconfig, *this),
- m_vol_lookup(NULL),
- m_channel(NULL),
+ m_vol_lookup(nullptr),
+ m_channel(nullptr),
m_latch(0),
m_poly_counter(0),
m_poly_shift(0),