diff --git a/src/mame/drivers/pacman.cpp b/src/mame/drivers/pacman.cpp
index 462444fd24f..66ae939c5c7 100644
--- a/src/mame/drivers/pacman.cpp
+++ b/src/mame/drivers/pacman.cpp
@@ -6861,6 +6861,10 @@ DRIVER_INIT_MEMBER(pacman_state,maketrax)
 	m_maincpu->space(AS_PROGRAM).install_write_handler(0x5004, 0x5004, write8_delegate(FUNC(pacman_state::maketrax_protection_w),this));
 	m_maincpu->space(AS_PROGRAM).install_read_handler(0x5080, 0x50bf, read8_delegate(FUNC(pacman_state::maketrax_special_port2_r),this));
 	m_maincpu->space(AS_PROGRAM).install_read_handler(0x50c0, 0x50ff, read8_delegate(FUNC(pacman_state::maketrax_special_port3_r),this));
+
+	save_item(NAME(m_maketrax_disable_protection));
+	save_item(NAME(m_maketrax_offset));
+	save_item(NAME(m_maketrax_counter));
 }
 
 void pacman_state::korosuke_rom_decode()