diff --git a/ext/standard/tests/url/parse_url_relative_scheme.phpt b/ext/standard/tests/url/parse_url_relative_scheme.phpt
new file mode 100644
index 0000000000000..7c8952db71e9d
--- /dev/null
+++ b/ext/standard/tests/url/parse_url_relative_scheme.phpt
@@ -0,0 +1,11 @@
+--TEST--
+Test parse_url() function: Checks relative URL schemes (e.g. "//example.com")
+--FILE--
+<?php
+var_dump(parse_url('//example.org'));
+--EXPECT--
+array(1) {
+  ["host"]=>
+  string(11) "example.org"
+}
+
diff --git a/ext/standard/url.c b/ext/standard/url.c
index 0555c7b65aa8a..44a568032b690 100644
--- a/ext/standard/url.c
+++ b/ext/standard/url.c
@@ -204,6 +204,8 @@ PHPAPI php_url *php_url_parse_ex(char const *str, int length)
 		} else {
 			goto just_path;
 		}
+	} else if (*s == '/' && *(s+1) == '/') { /* relative-scheme URL */
+		s += 2;
 	} else {
 		just_path:
 		ue = s + length;