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Diffstat (limited to 'src/devices/bus/megadrive/ggenie.cpp')
-rw-r--r--src/devices/bus/megadrive/ggenie.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/bus/megadrive/ggenie.cpp b/src/devices/bus/megadrive/ggenie.cpp
index caef897b77c..65097208567 100644
--- a/src/devices/bus/megadrive/ggenie.cpp
+++ b/src/devices/bus/megadrive/ggenie.cpp
@@ -169,7 +169,7 @@ static SLOT_INTERFACE_START(ggenie_sub_cart)
SLOT_INTERFACE_END
static MACHINE_CONFIG_FRAGMENT( ggenie_slot )
- MCFG_MD_CARTRIDGE_ADD("subslot", ggenie_sub_cart, NULL)
+ MCFG_MD_CARTRIDGE_ADD("subslot", ggenie_sub_cart, nullptr)
MCFG_MD_CARTRIDGE_NOT_MANDATORY
MACHINE_CONFIG_END