diff --git a/src/optiondefs.h b/src/optiondefs.h
index 5b3860b..0278b60 100644
--- a/src/optiondefs.h
+++ b/src/optiondefs.h
@@ -1447,6 +1447,10 @@
     {"keymodel",    "km",   P_STRING|P_VI_DEF|P_ONECOMMA|P_NODUP,
 			    (char_u *)&p_km, PV_NONE,
 			    {(char_u *)"", (char_u *)0L} SCTX_INIT},
+    {"keyprotocol", "kpc",  P_STRING|P_VI_DEF|P_ONECOMMA|P_NODUP,
+			    (char_u *)&p_kpc, PV_NONE,
+			    {(char_u *)"kitty:kitty,foot:kitty,wezterm:kitty,xterm:mok2", (char_u *)0L}
+			    SCTX_INIT},
     {"keywordprg",  "kp",   P_STRING|P_EXPAND|P_VI_DEF|P_SECURE,
 			    (char_u *)&p_kp, PV_KP,
 			    {