diff --git a/src/emu/diexec.cpp b/src/emu/diexec.cpp
index 9af197ac5db..d84f3b8f4be 100644
--- a/src/emu/diexec.cpp
+++ b/src/emu/diexec.cpp
@@ -500,6 +500,8 @@ void device_execute_interface::interface_post_start()
 
 	// register for save states
 	device().save_pointer(NAME(m_icountptr), 1);
+	device().save_item(NAME(m_cycles_running));
+	device().save_item(NAME(m_cycles_stolen));
 	device().save_item(NAME(m_suspend));
 	device().save_item(NAME(m_nextsuspend));
 	device().save_item(NAME(m_eatcycles));