diff --git a/docs/changelog.rst b/docs/changelog.rst
index 9fe4b9683..582261d90 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -10,6 +10,9 @@ To update |kitty|, :doc:`follow the instructions <binary>`.
 - A new :opt:`adjust_baseline` option to adjust the vertical alignment of text
   inside a line (:pull:`3734`)
 
+- A new opt:`url_excluded_characters` option to exclude additional characters
+  when detecting URLs under the mouse (:pull:`3738`)
+
 - Fix a regression in 0.21.0 that broke rendering of private use unicode symbols followed
   by spaces, when they also exist not followed by spaces (:iss:`3729`)
 
diff --git a/kitty/options/definition.py b/kitty/options/definition.py
index ab55b9f5c..0e510aa54 100644
--- a/kitty/options/definition.py
+++ b/kitty/options/definition.py
@@ -381,9 +381,8 @@
 opt('url_excluded_characters', '',
     ctype='!url_excluded_characters',
     long_text='''
-Characters not considered part of a URL under the mouse. In addition to these
-characters any character that is marked as the unicode C and Z categories will
-be excluded.
+Additional characters to be disallowed from URLs, when detecting URLs under the
+mouse cursor. By default, all characters legal in URLs are allowed.
 '''
     )
 
diff --git a/kitty/options/to-c.h b/kitty/options/to-c.h
index 1eab9215b..8e2ce4bf4 100644
--- a/kitty/options/to-c.h
+++ b/kitty/options/to-c.h
@@ -127,7 +127,7 @@ url_prefixes(PyObject *up, Options *opts) {
 static void
 url_excluded_characters(PyObject *chars, Options *opts) {
     if (!PyUnicode_Check(chars)) { PyErr_SetString(PyExc_TypeError, "url_excluded_characters must be a string"); return; }
-    for (size_t i = 0; i < MIN((size_t)PyUnicode_GET_LENGTH(chars), sizeof(opts->url_excluded_characters)/sizeof(opts->url_excluded_characters[0])); i++) {
+    for (size_t i = 0; i < MIN((size_t)PyUnicode_GET_LENGTH(chars), arraysz(opts->url_excluded_characters)); i++) {
         opts->url_excluded_characters[i] = PyUnicode_READ(PyUnicode_KIND(chars), PyUnicode_DATA(chars), i);
     }
     opts->url_excluded_characters_count = PyUnicode_GET_LENGTH(chars);
@@ -136,7 +136,7 @@ url_excluded_characters(PyObject *chars, Options *opts) {
 static void
 select_by_word_characters(PyObject *chars, Options *opts) {
     if (!PyUnicode_Check(chars)) { PyErr_SetString(PyExc_TypeError, "select_by_word_characters must be a string"); return; }
-    for (size_t i = 0; i < MIN((size_t)PyUnicode_GET_LENGTH(chars), sizeof(opts->select_by_word_characters)/sizeof(opts->select_by_word_characters[0])); i++) {
+    for (size_t i = 0; i < MIN((size_t)PyUnicode_GET_LENGTH(chars), arraysz(opts->select_by_word_characters)); i++) {
         opts->select_by_word_characters[i] = PyUnicode_READ(PyUnicode_KIND(chars), PyUnicode_DATA(chars), i);
     }
     opts->select_by_word_characters_count = PyUnicode_GET_LENGTH(chars);
diff --git a/kitty/unicode-data.h b/kitty/unicode-data.h
index 26d1d5d23..89fe8605a 100644
--- a/kitty/unicode-data.h
+++ b/kitty/unicode-data.h
@@ -12,11 +12,17 @@ bool is_P_category(char_type);
 char_type codepoint_for_mark(combining_type m);
 combining_type mark_for_codepoint(char_type c);
 
+static inline bool
+is_excluded_from_url(uint32_t ch) {
+    for (size_t i = 0; i < OPT(url_excluded_characters_count); i++) {
+        if (ch == OPT(url_excluded_characters)[i]) return true;
+    }
+    return false;
+}
+
 static inline bool
 is_url_char(uint32_t ch) {
-    for (size_t i = 0; i < OPT(url_excluded_characters_count); i++)
-        if (ch == OPT(url_excluded_characters)[i]) return false;
-    return ch && !is_CZ_category(ch);
+    return ch && !is_CZ_category(ch) && !is_excluded_from_url(ch);
 }
 
 static inline bool