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-rw-r--r--src/mame/drivers/4004clk.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/drivers/4004clk.cpp b/src/mame/drivers/4004clk.cpp
index 1984ce6622c..7dfe00db589 100644
--- a/src/mame/drivers/4004clk.cpp
+++ b/src/mame/drivers/4004clk.cpp
@@ -181,5 +181,5 @@ ROM_END
/* Driver */
-// YEAR NAME PARENT COMPAT MACHINE INPUT STATE INIT COMPANY FULLNAME FLAGS
-SYST( 2008, 4004clk, 0, 0, _4004clk, 4004clk, nixieclock_state, 0, "John L. Weinrich", "4004 Nixie Clock", MACHINE_SUPPORTS_SAVE )
+// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
+SYST( 2008, 4004clk, 0, 0, _4004clk, 4004clk, nixieclock_state, empty_init, "John L. Weinrich", "4004 Nixie Clock", MACHINE_SUPPORTS_SAVE )