diff --git a/Tests/LibWeb/Text/expected/URL/url.txt b/Tests/LibWeb/Text/expected/URL/url.txt
index a89772257ef..1bde4457716 100644
--- a/Tests/LibWeb/Text/expected/URL/url.txt
+++ b/Tests/LibWeb/Text/expected/URL/url.txt
@@ -108,6 +108,16 @@ port => '9000'
 pathname => '/path'
 search => '?query'
 hash => '#frag'
+new URL('  \t', 'http://ladybird.org/foo/bar')
+protocol => 'http:'
+username => ''
+password => ''
+host => 'ladybird.org'
+hostname => 'ladybird.org'
+port => ''
+pathname => '/foo/bar'
+search => ''
+hash => ''
 =========================================
 URL.parse('ftp://serenityos.org:21', undefined)
 protocol => 'ftp:'
@@ -219,3 +229,13 @@ port => '9000'
 pathname => '/path'
 search => '?query'
 hash => '#frag'
+URL.parse('  \t', 'http://ladybird.org/foo/bar')
+protocol => 'http:'
+username => ''
+password => ''
+host => 'ladybird.org'
+hostname => 'ladybird.org'
+port => ''
+pathname => '/foo/bar'
+search => ''
+hash => ''
diff --git a/Tests/LibWeb/Text/input/URL/url.html b/Tests/LibWeb/Text/input/URL/url.html
index c7135150a07..644590bbb2a 100644
--- a/Tests/LibWeb/Text/input/URL/url.html
+++ b/Tests/LibWeb/Text/input/URL/url.html
@@ -32,6 +32,7 @@
             { input: 'file://a%C2%ADb/p' },
             { input: 'http://user%20name:pa%40ss%3Aword@www.ladybird.org' },
             { input: 'h\tt\nt\rp://h\to\ns\rt:9\t0\n0\r0/p\ta\nt\rh?q\tu\ne\rry#f\tr\na\rg' },
+            { input: '  \t', base: 'http://ladybird.org/foo/bar' },
         ];
 
         for (url of urls) {
diff --git a/Userland/Libraries/LibURL/Parser.cpp b/Userland/Libraries/LibURL/Parser.cpp
index c636b880987..ad593ce5069 100644
--- a/Userland/Libraries/LibURL/Parser.cpp
+++ b/Userland/Libraries/LibURL/Parser.cpp
@@ -808,29 +808,22 @@ URL Parser::basic_parse(StringView raw_input, Optional<URL> const& base_url, Opt
         // 2. If input contains any leading or trailing C0 control or space, invalid-URL-unit validation error.
         // 3. Remove any leading and trailing C0 control or space from input.
         bool has_validation_error = false;
-        for (size_t i = 0; i < raw_input.length(); ++i) {
-            u8 ch = raw_input[i];
-            if (is_ascii_c0_control_or_space(ch)) {
-                ++start_index;
-                has_validation_error = true;
-            } else {
+
+        for (; start_index < raw_input.length(); ++start_index) {
+            if (!is_ascii_c0_control_or_space(raw_input[start_index]))
                 break;
-            }
+            has_validation_error = true;
         }
-        for (ssize_t i = raw_input.length() - 1; i >= 0; --i) {
-            u8 ch = raw_input[i];
-            if (is_ascii_c0_control_or_space(ch)) {
-                --end_index;
-                has_validation_error = true;
-            } else {
+
+        for (; end_index > start_index; --end_index) {
+            if (!is_ascii_c0_control_or_space(raw_input[end_index - 1]))
                 break;
-            }
+            has_validation_error = true;
         }
+
         if (has_validation_error)
             report_validation_error();
     }
-    if (start_index >= end_index)
-        return {};
 
     ByteString processed_input = raw_input.substring_view(start_index, end_index - start_index);