diff --git a/src/mame/machine/segacrpt_device.h b/src/mame/machine/segacrpt_device.h
index 50bf16e14cf..653e8efdacb 100644
--- a/src/mame/machine/segacrpt_device.h
+++ b/src/mame/machine/segacrpt_device.h
@@ -290,7 +290,7 @@ DECLARE_DEVICE_TYPE(SEGA_315_5018,     sega_315_5018_device)
 DECLARE_DEVICE_TYPE(SEGA_315_5010,     sega_315_5010_device)
 DECLARE_DEVICE_TYPE(SEGA_CPU_PBACTIO4, sega_cpu_pbactio4_device)
 DECLARE_DEVICE_TYPE(SEGA_315_5028,     sega_315_5028_device)
-DECLARE_DEVICE_TYPE(SEGA_315_5084,     sega_315_5084_sevice)
+DECLARE_DEVICE_TYPE(SEGA_315_5084,     sega_315_5084_device)
 
 
 #endif // MAME_MACHINE_SEGACRYPT_DEVICE_H