diff --git a/src/g_input.c b/src/g_input.c
index 2822cc294..6b0dd7b60 100644
--- a/src/g_input.c
+++ b/src/g_input.c
@@ -1208,6 +1208,7 @@ static const char *gamecontrolname[num_gamecontrols] =
 	"scores",
 	"console",
 	"pause",
+	"systemmenu",
 	"custom1",
 	"custom2",
 	"custom3",
diff --git a/src/g_input.h b/src/g_input.h
index 7e49fff34..6bbadf3eb 100644
--- a/src/g_input.h
+++ b/src/g_input.h
@@ -114,6 +114,7 @@ typedef enum
 	gc_scores,
 	gc_console,
 	gc_pause,
+	gc_systemmenu,
 	gc_custom1, // Lua scriptable
 	gc_custom2, // Lua scriptable
 	gc_custom3, // Lua scriptable
diff --git a/src/m_menu.c b/src/m_menu.c
index eb8123e9c..cea5996dc 100644
--- a/src/m_menu.c
+++ b/src/m_menu.c
@@ -1146,6 +1146,8 @@ static menuitem_t OP_MiscControlsMenu[] =
 	{IT_CALL | IT_STRING2, NULL, "Custom Action 2",  M_ChangeControl, gc_custom2      },
 	{IT_CALL | IT_STRING2, NULL, "Custom Action 3",  M_ChangeControl, gc_custom3      },
 
+	{IT_CALL | IT_STRING2, NULL, "System Menu (ESC)",M_ChangeControl, gc_systemmenu   },
+
 	{IT_CALL | IT_STRING2, NULL, "Pause",            M_ChangeControl, gc_pause        },
 	{IT_CALL | IT_STRING2, NULL, "Console",          M_ChangeControl, gc_console      },
 	
@@ -2462,11 +2464,14 @@ boolean M_Responder(event_t *ev)
 
 	if (ch == -1)
 		return false;
+	else if (ch == gamecontrol[gc_systemmenu][0]) // allow remappable ESC key
+		ch = KEY_ESCAPE;
 
 	// F-Keys
 	if (!menuactive)
 	{
 		noFurtherInput = true;
+
 		switch (ch)
 		{
 			case KEY_F1: // Help key