diff --git a/src/testdir/gen_opt_test.vim b/src/testdir/gen_opt_test.vim
index dd5f73e..7337217 100644
--- a/src/testdir/gen_opt_test.vim
+++ b/src/testdir/gen_opt_test.vim
@@ -113,6 +113,8 @@
       \ 'isprint': [['', '@', '@,48-52'], ['xxx', '@48']],
       \ 'keymap': [['', 'accents'], ['xxx']],
       \ 'keymodel': [['', 'startsel', 'startsel,stopsel'], ['xxx']],
+      \ 'keyprotocol': [['', 'xxx:none', 'yyy:mok2', 'zzz:kitty'],
+      \		[':none', 'xxx:', 'x:non', 'y:mok3', 'z:kittty']],
       \ 'langmap': [['', 'xX', 'aA,bB'], ['xxx']],
       \ 'lispoptions': [['', 'expr:0', 'expr:1'], ['xxx']],
       \ 'listchars': [['', 'eol:x', 'eol:x,space:y'], ['xxx']],
diff --git a/src/testdir/keycode_check.json b/src/testdir/keycode_check.json
index 868c2a9..218859f 100644
--- a/src/testdir/keycode_check.json
+++ b/src/testdir/keycode_check.json
@@ -1 +1 @@
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+{"31kitty":{"Space":"20","version":"1b5b3e313b343030303b323163","C-Tab":"","A-Esc":"1b5b32373b313175","C-Space":"1b5b33323b3575","status":"1b5b3f3175","S-C-I":"1b5b3130353b3675","C-I":"1b5b3130353b3575","S-Tab":"1b5b393b3275","Tab":"09","resource":"","A-Tab":"1b5b393b313175","S-Space":"20","C-Esc":"1b5b32373b3575","protocol":"kitty","A-Space":"1b5b33323b313175","S-Esc":"1b5b32373b3275","Esc":"1b5b323775"},"32libvterm":{"Space":"20","version":"1b5b3e303b3130303b3063","C-Tab":"1b5b393b3575","A-Esc":"1b5b32373b3375","C-Space":"1b5b33323b3575","status":"1b5b3f3175","S-C-I":"1b5b3130353b3675","C-I":"1b5b3130353b3575","S-Tab":"1b5b393b3275","Tab":"09","resource":"","A-Tab":"1b5b393b3375","S-Space":"1b5b33323b3275","C-Esc":"1b5b32373b3575","protocol":"kitty","A-Space":"1b5b33323b3375","S-Esc":"1b5b323775","Esc":"1b5b323775"},"22libvterm":{"Space":"20","version":"1b5b3e303b3130303b3063","C-Tab":"1b5b32373b353b397e","A-Esc":"1b5b32373b333b32377e","C-Space":"1b5b32373b353b33327e","status":"","S-C-I":"1b5b32373b363b37337e","C-I":"1b5b32373b353b3130357e","S-Tab":"1b5b5a","Tab":"09","resource":"","A-Tab":"1b5b32373b333b397e","S-Space":"1b5b32373b323b33327e","C-Esc":"1b5b32373b353b32377e","protocol":"mok2","A-Space":"1b5b32373b333b33327e","S-Esc":"1b","Esc":"1b"},"13kitty":{"Space":"20","version":"1b5b3e313b343030303b323163","C-Tab":"","A-Esc":"1b1b","status":"","S-C-I":"1b5b3130353b3675","C-I":"09","S-Tab":"1b5b5a","Tab":"09","resource":"","A-Tab":"1b09","S-Space":"20","C-Esc":"1b","protocol":"none","A-Space":"1b5b33323b313175","S-Esc":"1b","Esc":"1b"},"21xterm":{"Space":"20","version":"1b5b3e34313b3335363b3063","C-Tab":"1b5b32373b353b397e","A-Esc":"1b5b32373b333b32377e","C-Space":"1b5b32373b353b33327e","status":"","S-C-I":"1b5b32373b363b37337e","C-I":"1b5b32373b353b3130357e","S-Tab":"1b5b5a","Tab":"09","resource":"=30","A-Tab":"1b5b32373b333b397e","S-Space":"1b5b32373b323b33327e","C-Esc":"1b5b32373b353b32377e","protocol":"mok2","A-Space":"1b5b32373b333b33327e","S-Esc":"1b","Esc":"1b"},"12libvterm":{"Space":"20","version":"1b5b3e303b3130303b3063","C-Tab":"1b5b393b3575","A-Esc":"9b00","status":"","S-C-I":"1b5b5a","C-I":"09","S-Tab":"1b5b5a","Tab":"09","S-Space":"1b5b33323b3275","A-Tab":"8900","resource":"","C-Esc":"1b5b32373b3575","protocol":"none","A-Space":"a000","S-Esc":"1b","Esc":"1b"},"11xterm":{"Space":"20","version":"1b5b3e34313b3335363b3063","C-Tab":"09","A-Esc":"9b00","status":"","S-C-I":"09","C-I":"09","S-Tab":"1b5b5a","Tab":"09","S-Space":"20","A-Tab":"8900","C-Esc":"1b","protocol":"none","A-Space":"a000","S-Esc":"1b","Esc":"1b"}}