diff --git a/include/ircd/rfc3986.h b/include/ircd/rfc3986.h
index 9d907eb6a..35a04eb24 100644
--- a/include/ircd/rfc3986.h
+++ b/include/ircd/rfc3986.h
@@ -46,7 +46,7 @@ namespace ircd::rfc3986
 
 	// Decode percent-encoded strings. N.B. this decodes into any character
 	// including control codes like %00 into '\0' etc. Use with caution.
-	const_buffer decode_unsafe(const mutable_buffer &, const string_view &url);
+	const_buffer decode_unsafe(const mutable_buffer &, const string_view &url) noexcept;
 
 	// extractor suite
 	uint16_t port(const string_view &remote); // get portnum from valid remote
diff --git a/ircd/rfc3986.cc b/ircd/rfc3986.cc
index 2d603087f..2f034cd3d 100644
--- a/ircd/rfc3986.cc
+++ b/ircd/rfc3986.cc
@@ -444,7 +444,7 @@ namespace ircd::rfc3986::parser::decoder
 
 	const expr decode_char
 	{
-		lit('%') > qi::int_parser<char, 16, 2, 2>{}
+		lit('%') >> qi::int_parser<char, 16, 2, 2>{}
 		,"url decodable character"
 	};
 
@@ -479,6 +479,7 @@ namespace ircd::rfc3986::parser::decoder
 ircd::const_buffer
 ircd::rfc3986::decode_unsafe(const mutable_buffer &buf,
                              const string_view &url)
+noexcept
 {
 	const char *start(url.data()), *const stop
 	{