diff --git a/src/mame/matsushita/kn5000.cpp b/src/mame/matsushita/kn5000.cpp
index 89b82f686ed9c..9ca38d04b18b5 100644
--- a/src/mame/matsushita/kn5000.cpp
+++ b/src/mame/matsushita/kn5000.cpp
@@ -842,4 +842,4 @@ ROM_END
 } // anonymous namespace
 
 //   YEAR  NAME   PARENT  COMPAT  MACHINE INPUT   STATE         INIT        COMPANY      FULLNAME             FLAGS
-CONS(199?, kn5000,    0,       0, kn5000, kn5000, kn5000_state, empty_init, "Technics", "SX-KN5000", MACHINE_NOT_WORKING|MACHINE_NO_SOUND)
+CONS(1998, kn5000,    0,       0, kn5000, kn5000, kn5000_state, empty_init, "Technics", "SX-KN5000", MACHINE_NOT_WORKING|MACHINE_NO_SOUND)