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-rw-r--r--src/mame/drivers/punchout.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/punchout.cpp b/src/mame/drivers/punchout.cpp
index bbc39f814a3..92ece15fea9 100644
--- a/src/mame/drivers/punchout.cpp
+++ b/src/mame/drivers/punchout.cpp
@@ -632,7 +632,7 @@ MACHINE_CONFIG_START(punchout_state::punchout)
MCFG_DEVICE_ADD("audiocpu", N2A03, NTSC_APU_CLOCK)
MCFG_DEVICE_PROGRAM_MAP(punchout_sound_map)
- MCFG_NVRAM_ADD_0FILL("nvram")
+ NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0);
ls259_device &mainlatch(LS259(config, "mainlatch")); // 2B
mainlatch.q_out_cb<0>().set(FUNC(punchout_state::nmi_mask_w));