diff --git a/include/ada/character_sets-inl.h b/include/ada/character_sets-inl.h
index 7e99a0512..ace96d7e9 100644
--- a/include/ada/character_sets-inl.h
+++ b/include/ada/character_sets-inl.h
@@ -404,7 +404,7 @@ constexpr uint8_t PATH_PERCENT_ENCODE[32] = {
     // 50     51     52     53     54     55     56     57
     0x00 | 0x00 | 0x00 | 0x00 | 0x00 | 0x00 | 0x00 | 0x00,
     // 58     59     5A     5B     5C     5D     5E     5F
-    0x00 | 0x00 | 0x00 | 0x00 | 0x00 | 0x00 | 0x00 | 0x00,
+    0x00 | 0x00 | 0x00 | 0x00 | 0x00 | 0x00 | 0x40 | 0x00,
     // 60     61     62     63     64     65     66     67
     0x01 | 0x00 | 0x00 | 0x00 | 0x00 | 0x00 | 0x00 | 0x00,
     // 68     69     6A     6B     6C     6D     6E     6F
diff --git a/tests/wpt/setters_tests.json b/tests/wpt/setters_tests.json
index 3850606d6..efd548b6c 100644
--- a/tests/wpt/setters_tests.json
+++ b/tests/wpt/setters_tests.json
@@ -1921,8 +1921,8 @@
             "href": "a:/",
             "new_value": "\u0000\u0001\t\n\r\u001f !\"#$%&'()*+,-./09:;<=>?@AZ[\\]^_`az{|}~\u007f\u0080\u0081Éé",
             "expected": {
-                "href": "a:/%00%01%1F%20!%22%23$%&'()*+,-./09:;%3C=%3E%3F@AZ[\\]^_%60az%7B|%7D~%7F%C2%80%C2%81%C3%89%C3%A9",
-                "pathname": "/%00%01%1F%20!%22%23$%&'()*+,-./09:;%3C=%3E%3F@AZ[\\]^_%60az%7B|%7D~%7F%C2%80%C2%81%C3%89%C3%A9"
+                "href": "a:/%00%01%1F%20!%22%23$%&'()*+,-./09:;%3C=%3E%3F@AZ[\\]%5E_%60az%7B|%7D~%7F%C2%80%C2%81%C3%89%C3%A9",
+                "pathname": "/%00%01%1F%20!%22%23$%&'()*+,-./09:;%3C=%3E%3F@AZ[\\]%5E_%60az%7B|%7D~%7F%C2%80%C2%81%C3%89%C3%A9"
             }
         },
         {
diff --git a/tests/wpt/urltestdata.json b/tests/wpt/urltestdata.json
index 7669217c4..7e9b63e10 100644
--- a/tests/wpt/urltestdata.json
+++ b/tests/wpt/urltestdata.json
@@ -8634,10 +8634,10 @@
     "hash": "",
     "host": "host",
     "hostname": "host",
-    "href": "foo://host/%20!%22$%&'()*+,-./:;%3C=%3E@[\\]^_%60%7B|%7D~",
+    "href": "foo://host/%20!%22$%&'()*+,-./:;%3C=%3E@[\\]%5E_%60%7B|%7D~",
     "origin": "null",
     "password": "",
-    "pathname": "/%20!%22$%&'()*+,-./:;%3C=%3E@[\\]^_%60%7B|%7D~",
+    "pathname": "/%20!%22$%&'()*+,-./:;%3C=%3E@[\\]%5E_%60%7B|%7D~",
     "port":"",
     "protocol": "foo:",
     "search": "",
@@ -8649,10 +8649,10 @@
     "hash": "",
     "host": "host",
     "hostname": "host",
-    "href": "wss://host/%20!%22$%&'()*+,-./:;%3C=%3E@[/]^_%60%7B|%7D~",
+    "href": "wss://host/%20!%22$%&'()*+,-./:;%3C=%3E@[/]%5E_%60%7B|%7D~",
     "origin": "wss://host",
     "password": "",
-    "pathname": "/%20!%22$%&'()*+,-./:;%3C=%3E@[/]^_%60%7B|%7D~",
+    "pathname": "/%20!%22$%&'()*+,-./:;%3C=%3E@[/]%5E_%60%7B|%7D~",
     "port":"",
     "protocol": "wss:",
     "search": "",