diff --git a/kitty/config.py b/kitty/config.py
index 53f308eb2..dcbc004bc 100644
--- a/kitty/config.py
+++ b/kitty/config.py
@@ -311,7 +311,7 @@ def parse_marker_spec(ftype: str, parts: Sequence[str]) -> Tuple[str, Union[str,
 def toggle_marker(func: str, rest: str) -> FuncArgsType:
     parts = rest.split(maxsplit=1)
     if len(parts) != 2:
-        raise ValueError('{} if not a valid marker specification'.format(rest))
+        raise ValueError('{} is not a valid marker specification'.format(rest))
     ftype, spec = parts
     parts = spec.split()
     return func, list(parse_marker_spec(ftype, parts))
diff --git a/kitty/marks.py b/kitty/marks.py
index 96b59745b..cf0e2b437 100644
--- a/kitty/marks.py
+++ b/kitty/marks.py
@@ -56,7 +56,7 @@ def marker_from_multiple_regex(regexes: Iterable[Tuple[int, str]], flags: int =
         for match in pat.finditer(text):
             left.value = match.start()
             right.value = match.end() - 1
-            grp = next(k for k, v in match.groupdict().items())
+            grp = match.lastgroup
             color.value = color_map[grp]
             yield