diff --git a/kitty/parser.c b/kitty/parser.c
index 2d2f6cc91..03ce1829c 100644
--- a/kitty/parser.c
+++ b/kitty/parser.c
@@ -283,8 +283,9 @@ handle_esc_mode_char(Screen *screen, uint32_t ch, PyObject DUMP_UNUSED *dump_cal
                             REPORT_COMMAND(screen_set_8bit_controls, ch == 'G');
                             screen_set_8bit_controls(screen, ch == 'G');
                             break;
+                        default:
+                            REPORT_ERROR("Unhandled ESC SP escape code: 0x%x", ch); break;
                     }
-                    REPORT_ERROR("Unhandled ESC SP escape code: 0x%x", ch); break;
                     break;
                 default:
                     REPORT_ERROR("Unhandled charset related escape code: 0x%x 0x%x", screen->parser_buf[0], ch); break;
diff --git a/kitty_tests/parser.py b/kitty_tests/parser.py
index 94bdfae06..97e47eadf 100644
--- a/kitty_tests/parser.py
+++ b/kitty_tests/parser.py
@@ -215,6 +215,17 @@ class TestParser(BaseTest):
         pb('\033P$qr\033\\', ('screen_request_capabilities', ord('$'), 'r'))
         self.ae(c.wtcbuf, '\033P1$r{};{}r\033\\'.format(s.margin_top + 1, s.margin_bottom + 1).encode('ascii'))
 
+    def test_sc81t(self):
+        s = self.create_screen()
+        pb = partial(self.parse_bytes_dump, s)
+        pb('\033 G', ('screen_set_8bit_controls', 1))
+        c = s.callbacks
+        pb('\033P$qm\033\\', ('screen_request_capabilities', ord('$'), 'm'))
+        self.ae(c.wtcbuf, b'\x901$r0m\x9c')
+        c.clear()
+        pb('\033[0c', ('report_device_attributes', 0, 0))
+        self.ae(c.wtcbuf, b'\x9b?62;c')
+
     def test_oth_codes(self):
         s = self.create_screen()
         pb = partial(self.parse_bytes_dump, s)