diff --git a/mess/mui_text.c b/mess/mui_text.c
index 22475cb9..d907b31c 100644
--- a/mess/mui_text.c
+++ b/mess/mui_text.c
@@ -10,7 +10,7 @@ const char *mess_default_text[] =
 	"Mode: FULL Emulation",
 	"UI:   Enabled",
 	"UI:   Disabled",
-	"**Use ScrLock to toggle**",
+	"**Use Scr/NumLock to toggle**",
 
 	"Image Information",
 	"File Manager",
diff --git a/src/inptport.c b/src/inptport.c
index 78493c08..8cec535b 100644
--- a/src/inptport.c
+++ b/src/inptport.c
@@ -903,7 +903,7 @@ static const input_port_default_entry default_ports_builtin[] =
 	INPUT_PORT_DIGITAL_DEF( 0, IPG_UI,      UI_PAN_RIGHT,		"Pan Right",			SEQ_DEF_2(KEYCODE_PGDN, KEYCODE_LSHIFT) )
 	INPUT_PORT_DIGITAL_DEF( 0, IPG_UI,      UI_SHOW_PROFILER,	"Show Profiler",		SEQ_DEF_2(KEYCODE_F11, KEYCODE_LSHIFT) )
 #ifdef MESS
-	INPUT_PORT_DIGITAL_DEF( 0, IPG_UI,      UI_TOGGLE_UI,		"UI Toggle",			SEQ_DEF_1(KEYCODE_SCRLOCK) )
+	INPUT_PORT_DIGITAL_DEF( 0, IPG_UI,      UI_TOGGLE_UI,		"UI Toggle",			SEQ_DEF_3(KEYCODE_SCRLOCK, CODE_OR, KEYCODE_NUMLOCK) )
 #endif
 	INPUT_PORT_DIGITAL_DEF( 0, IPG_UI,      UI_TOGGLE_DEBUG,    "Toggle Debugger",		SEQ_DEF_1(KEYCODE_F5) )
 	INPUT_PORT_DIGITAL_DEF( 0, IPG_UI,      UI_SAVE_STATE,      "Save State",			SEQ_DEF_2(KEYCODE_F7, KEYCODE_LSHIFT) )
diff --git a/srcmess/inptport.c b/srcmess/inptport.c
index 78493c08..8cec535b 100644
--- a/srcmess/inptport.c
+++ b/srcmess/inptport.c
@@ -903,7 +903,7 @@ static const input_port_default_entry default_ports_builtin[] =
 	INPUT_PORT_DIGITAL_DEF( 0, IPG_UI,      UI_PAN_RIGHT,		"Pan Right",			SEQ_DEF_2(KEYCODE_PGDN, KEYCODE_LSHIFT) )
 	INPUT_PORT_DIGITAL_DEF( 0, IPG_UI,      UI_SHOW_PROFILER,	"Show Profiler",		SEQ_DEF_2(KEYCODE_F11, KEYCODE_LSHIFT) )
 #ifdef MESS
-	INPUT_PORT_DIGITAL_DEF( 0, IPG_UI,      UI_TOGGLE_UI,		"UI Toggle",			SEQ_DEF_1(KEYCODE_SCRLOCK) )
+	INPUT_PORT_DIGITAL_DEF( 0, IPG_UI,      UI_TOGGLE_UI,		"UI Toggle",			SEQ_DEF_3(KEYCODE_SCRLOCK, CODE_OR, KEYCODE_NUMLOCK) )
 #endif
 	INPUT_PORT_DIGITAL_DEF( 0, IPG_UI,      UI_TOGGLE_DEBUG,    "Toggle Debugger",		SEQ_DEF_1(KEYCODE_F5) )
 	INPUT_PORT_DIGITAL_DEF( 0, IPG_UI,      UI_SAVE_STATE,      "Save State",			SEQ_DEF_2(KEYCODE_F7, KEYCODE_LSHIFT) )