diff --git a/src/optiondefs.h b/src/optiondefs.h
index 2d01897..f9b7eae 100644
--- a/src/optiondefs.h
+++ b/src/optiondefs.h
@@ -1514,7 +1514,7 @@
 			    {(char_u *)"", (char_u *)0L} SCTX_INIT},
     {"keyprotocol", "kpc",  P_STRING|P_VI_DEF|P_ONECOMMA|P_NODUP|P_COLON,
 			    (char_u *)&p_kpc, PV_NONE, did_set_keyprotocol, expand_set_keyprotocol,
-			    {(char_u *)"kitty:kitty,foot:kitty,wezterm:kitty,xterm:mok2", (char_u *)0L}
+			    {(char_u *)"kitty:kitty,foot:kitty,ghostty: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, NULL, NULL,