diff --git a/src/emu/device.c b/src/emu/device.c
index d52dd8827ea..16c5c3b2576 100644
--- a/src/emu/device.c
+++ b/src/emu/device.c
@@ -626,7 +626,7 @@ void device_t::device_pre_save()
 //-------------------------------------------------
 //  device_post_load - called after the loading a
 //  saved state, so that registered variables can
-//  be expaneded as necessary
+//  be expanded as necessary
 //-------------------------------------------------
 
 void device_t::device_post_load()
diff --git a/src/emu/machine.c b/src/emu/machine.c
index 12524a47efe..76855efad96 100644
--- a/src/emu/machine.c
+++ b/src/emu/machine.c
@@ -255,7 +255,10 @@ void running_machine::start()
 		primary_screen->register_vblank_callback(vblank_state_delegate(FUNC(running_machine::watchdog_vblank), this));
 	save().save_item(NAME(m_watchdog_enabled));
 	save().save_item(NAME(m_watchdog_counter));
-
+	
+	// save the random seed or save states might be broken in drivers that use the rand() method
+	save().save_item(NAME(m_rand_seed));
+	
 	// initialize image devices
 	image_init(*this);
 	m_tilemap.reset(global_alloc(tilemap_manager(*this)));