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-rw-r--r--src/mame/machine/apricotkb.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/machine/apricotkb.h b/src/mame/machine/apricotkb.h
index 268812a7bc9..50c6a9cfb15 100644
--- a/src/mame/machine/apricotkb.h
+++ b/src/mame/machine/apricotkb.h
@@ -43,7 +43,7 @@ public:
// construction/destruction
apricot_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
- template<class _Object> devcb_base &set_txd_wr_callback(_Object object) { return m_write_txd.set_callback(object); }
+ template <class Object> devcb_base &set_txd_wr_callback(Object &&cb) { return m_write_txd.set_callback(std::forward<Object>(cb)); }
uint8_t read_keyboard();