diff --git a/kitty/parser.c b/kitty/parser.c
index 184226d61..99fbf0067 100644
--- a/kitty/parser.c
+++ b/kitty/parser.c
@@ -151,6 +151,8 @@ handle_normal_mode_char(Screen *screen, uint32_t ch, PyObject DUMP_UNUSED *dump_
         case CSI:
         case OSC:
         case DCS:
+        case APC:
+        case PM:
             SET_STATE(ch); break;
         case NUL:
         case DEL:
diff --git a/kitty_tests/parser.py b/kitty_tests/parser.py
index 654b02ec3..03bb0a2e2 100644
--- a/kitty_tests/parser.py
+++ b/kitty_tests/parser.py
@@ -167,6 +167,6 @@ class TestParser(BaseTest):
     def test_oth_codes(self):
         s = self.create_screen()
         pb = partial(self.parse_bytes_dump, s)
-        for prefix in '\033_', '\033^':
+        for prefix in '\033_', '\033^', '\u009e', '\u009f':
             for suffix in '\u009c', '\033\\':
                 pb('a{}+++{}bcde'.format(prefix, suffix), 'abcde')