diff --git a/src/N3Lexer.php b/src/N3Lexer.php
index d83595f..6a64946 100644
--- a/src/N3Lexer.php
+++ b/src/N3Lexer.php
@@ -64,10 +64,8 @@ public function __construct($options = []) {
     private $tripleQuotedString = '/^""("[^\\\\"]*(?:(?:\\\\.|"(?!""))[^\\\\"]*)*")""|^\'\'(\'[^\\\\\']*(?:(?:\\\\.|\'(?!\'\'))[^\\\\\']*)*\')\'\'/';
     private $langcode =  '/^@([a-z]+(?:-[a-z0-9]+)*)(?=[^a-z0-9\\-])/i';
     private $prefix = '/^((?:[A-Za-z\\xc0-\\xd6\\xd8-\\xf6])(?:\\.?[\\-0-9A-Z_a-z\\xb7\\xc0-\\xd6\\xd8-\\xf6])*)?:(?=[#\\s<])/';
-
-    private $prefixed = "/^((?:[A-Za-z\\xc0-\\xd6\\xd8-\\xf6])(?:\\.?[\\-0-9A-Z_a-z\\xb7\\xc0-\\xd6\\xd8-\\xf6])*)?:((?:(?:[0-:A-Z_a-z\\xc0-\\xd6\\xd8-\\xf6]|%[0-9a-fA-F]{2}|\\\\[!#-\\/;=?\\-@_~])(?:(?:[\\.\\-0-:A-Z_a-z\\xb7\\xc0-\\xd6\\xd8-\\xf6]|%[0-9a-fA-F]{2}|\\\\[!#-\\/;=?\\-@_~])*(?:[\\-0-:A-Z_a-z\\xb7\\xc0-\\xd6\\xd8-\\xf6]|%[0-9a-fA-F]{2}|\\\\[!#-\\/;=?\\-@_~]))?)?)(?:[ \\t]+|(?=\.?[,;!\\^\\s#()\\[\\]\\{\\}\"'<]))/";
-    //OLD VERSION
-    //private $prefixed = "/^((?:[A-Za-z\\xc0-\\xd6\\xd8-\\xf6])(?:\\.?[\\-0-9A-Z_a-z\\xb7\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\u037d\\u037f-\\u1fff\\u200c\\u200d\\u203f\\u2040\\u2070-\\u218f\\u2c00-\\u2fef\\u3001-\\ud7ff\\uf900-\\ufdcf\\ufdf0-\\ufffd]|[\\ud800-\\udb7f][\\udc00-\\udfff])*)?:((?:(?:[0-:A-Z_a-z\\xc0-\\xd6\\xd8-\\xf6]|%[0-9a-fA-F]{2}|\\\\[!#-\\/;=?\\-@_~])(?:(?:[\\.\\-0-:A-Z_a-z\\xb7\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\u037d\\u037f-\\u1fff\\u200c\\u200d\\u203f\\u2040\\u2070-\\u218f\\u2c00-\\u2fef\\u3001-\\ud7ff\\uf900-\\ufdcf\\ufdf0-\\ufffd]|[\\ud800-\\udb7f][\\udc00-\\udfff]|%[0-9a-fA-F]{2}|\\\\[!#-\\/;=?\\-@_~])*(?:[\\-0-:A-Z_a-z\\xb7\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\u037d\\u037f-\\u1fff\\u200c\\u200d\\u203f\\u2040\\u2070-\\u218f\\u2c00-\\u2fef\\u3001-\\ud7ff\\uf900-\\ufdcf\\ufdf0-\\ufffd]|[\\ud800-\\udb7f][\\udc00-\\udfff]|%[0-9a-fA-F]{2}|\\\\[!#-\\/;=?\\-@_~]))?)?)(?:[ \\t]+|(?=\\.?[,;!\\^\\s#()\\[\\]\\{\\}\"'<]))/";
+    private $prefixed = "/^((?:[A-Za-z\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\x{02ff}\\x{0370}-\\x{037d}\\x{037f}-\\x{1fff}\\x{200c}\\x{200d}\\x{2070}-\\x{218f}\\x{2c00}-\\x{2fef}\\x{3001}-\\x{d7ff}\\x{f900}-\\x{fdcf}\\x{fdf0}-\\x{fffd}])(?:\\.?[\\-0-9A-Z_a-z\\xb7\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\x{037d}\\x{037f}-\\x{1fff}\\x{200c}\\x{200d}\\x{203f}\\x{2040}\\x{2070}-\\x{218f}\\x{2c00}-\\x{2fef}\\x{3001}-\\x{d7ff}\\x{f900}-\\x{fdcf}\\x{fdf0}-\\x{fffd}])*)?:((?:(?:[0-:A-Z_a-z\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\x{02ff}\\x{0370}-\\x{037d}\\x{037f}-\\x{1fff}\\x{200c}\\x{200d}\\x{2070}-\\x{218f}\\x{2c00}-\\x{2fef}\\x{3001}-\\x{d7ff}\\x{f900}-\\x{fdcf}\\x{fdf0}-\\x{fffd}]|%[0-9a-fA-F]{2}|\\\\[!#-\\/;=?\\-@_~])(?:(?:[\\.\\-0-:A-Z_a-z\\xb7\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\x{037d}\\x{037f}-\\x{1fff}\\x{200c}\\x{200d}\\x{203f}\\x{2040}\\x{2070}-\\x{218f}\\x{2c00}-\\x{2fef}\\x{3001}-\\x{d7ff}\\x{f900}-\\x{fdcf}\\x{fdf0}-\\x{fffd}]|%[0-9a-fA-F]{2}|\\\\[!#-\\/;=?\\-@_~])*(?:[\\-0-:A-Z_a-z\\xb7\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\x{037d}\\x{037f}-\\x{1fff}\\x{200c}\\x{200d}\\x{203f}\\x{2040}\\x{2070}-\\x{218f}\\x{2c00}-\\x{2fef}\\x{3001}-\\x{d7ff}\\x{f900}-\\x{fdcf}\\x{fdf0}-\\x{fffd}]|%[0-9a-fA-F]{2}|\\\\[!#-\\/;=?\\-@_~]))?)?)(?:[ \\t]+|(?=\\.?[,;!\\^\\s#()\\[\\]\\{\\}\"'<]))/u";
+    
     private $variable = '/^\\?(?:(?:[A-Z_a-z\\xc0-\\xd6\\xd8-\\xf6])(?:[\\-0-:A-Z_a-z\\xb7\\xc0-\\xd6\\xd8-\\xf6])*)(?=[.,;!\\^\\s#()\\[\\]\\{\\}"\'<])/';
     
     private $blank = '/^_:((?:[0-9A-Z_a-z\\xc0-\\xd6\\xd8-\\xf6])(?:\\.?[\\-0-9A-Z_a-z\\xb7\\xc0-\\xd6\\xd8-\\xf6])*)(?:[ \\t]+|(?=\\.?[,;:\\s#()\\[\\]\\{\\}"\'<]))/';
diff --git a/src/TriGParser.php b/src/TriGParser.php
index ccafcea..5e4ca75 100644
--- a/src/TriGParser.php
+++ b/src/TriGParser.php
@@ -130,7 +130,7 @@ private function saveContext($type, $graph, $subject, $predicate, $object) {
             $this->quantified = $this->quantified;
         }
     }
-
+    
     // ### `_restoreContext` restores the parent context
     // when leaving a scope (list, blank node, formula)
     private function restoreContext() {
diff --git a/test/TriGParserTest.php b/test/TriGParserTest.php
index b57d270..42335dc 100644
--- a/test/TriGParserTest.php
+++ b/test/TriGParserTest.php
@@ -633,7 +633,7 @@ public function testLiterals ()
         ['a', 'b', '" abc' . "\n" . 'abc "']);
     }
 
-    public function testUnicodeSequences ()
+    public function testUnicode ()
     {
         // ### should parse a graph with 8-bit unicode escape sequences
         $this->shouldParse('<\\U0001d400> {'."\n".'<\\U0001d400> <\\U0001d400> "\\U0001d400"^^<\\U0001d400>'."\n".'}' . "\n",
@@ -645,6 +645,15 @@ public function testUnicodeSequences ()
         // ### should parse unicode after prefix
         $this->shouldParse('@prefix c: <http://example.org/>.
 c:test <b> c:テスト .', ['http://example.org/test','b','http://example.org/テスト','']);
+
+        // ### should parse unicode in literal
+        $this->shouldParse('@prefix c: <http://example.org/>.
+c:test <b> "c:テスト" .', ['http://example.org/test','b','"c:テスト"','']);
+
+        // ### should parse unicode in prefixname
+        $this->shouldParse('@prefix c: <http://example.org/テ>.
+<http://example.org/testprefixname> <b> c:スト .', ['http://example.org/testprefixname','b','http://example.org/テスト','']);
+        
         
     }