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-rw-r--r--src/emu/dislot.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/emu/dislot.h b/src/emu/dislot.h
index 2832989e3eb..4cc0448732c 100644
--- a/src/emu/dislot.h
+++ b/src/emu/dislot.h
@@ -143,7 +143,7 @@ public:
const std::unordered_map<std::string, std::unique_ptr<device_slot_option>> &option_list() const { return m_options; }
device_slot_option *option(const char *name) const;
virtual std::string get_default_card_software(get_default_card_software_hook &hook) const { return std::string(); }
- device_t *get_card_device() { return m_card_device; }
+ device_t *get_card_device() const { return m_card_device; }
void set_card_device(device_t *dev) { m_card_device = dev; }
const char *slot_name() const { return device().tag() + 1; }