diff --git a/osuRepy/helpers/typeSerializer.py b/osuRepy/helpers/typeSerializer.py
index 12fec4b..7d87744 100644
--- a/osuRepy/helpers/typeSerializer.py
+++ b/osuRepy/helpers/typeSerializer.py
@@ -20,6 +20,30 @@ BYTEORDER_NATIVE	= b"@"
 BYTEORDER_LITTLE	= b"<"
 BYTEORDER_BIG		= b">"
 
+def encode_uleb(val):
+	data = b""
+	pos = 0
+	while val != 0:
+		b = val & 0x7f
+		val >>= 7
+		if val != 0:
+			b |= 0x80
+		data += bytes([b])
+	return data
+
+def decode_uleb(data):
+	val = 0
+	shift = 0
+	pos = 0
+	while True:
+		b = data[pos]
+		pos += 1
+		val |= (b & 0x7f) << shift
+		if (b & 0x80) == 0:
+			break
+		shift += 7
+	return val, pos
+
 def guess_type(value):
 	t_value = type(value)
 
@@ -70,7 +94,7 @@ class Serializable:
 	def get_value(self):
 		def _get_value():
 			if self.type == TYPE_STRING:
-				return [11, bytes([len(self.value)]) + self.value]
+				return [0x0b, encode_uleb(len(self.value)) + self.value]
 			return [self.value]
 
 		val = _get_value()
diff --git a/osuRepy/replay.py b/osuRepy/replay.py
index c21dc43..bfcfbd0 100644
--- a/osuRepy/replay.py
+++ b/osuRepy/replay.py
@@ -32,7 +32,7 @@ def md5_file(file):
 	return hash.hexdigest()
 
 def lzma_compress(data):
-	return bytes([len(data)]) + lzma.compress(data + b"-12345|0|0|1337,", format = lzma.FORMAT_ALONE, filters = [
+	return encode_uleb(len(data)) + lzma.compress(data + b"-12345|0|0|1337,", format = lzma.FORMAT_ALONE, filters = [
 			{
 				"id": lzma.FILTER_LZMA1,
 				"preset": lzma.PRESET_DEFAULT,
@@ -42,7 +42,7 @@ def lzma_compress(data):
 
 class Replay:
 	_mode			= Serializable(osuModes.STANDARD,					TYPE_BYTE)
-	_osu_version	= Serializable(20131216,							TYPE_INT)
+	_osu_version	= Serializable(20181216,							TYPE_INT)
 	_beatmap_hash	= Serializable(b"d41d8cd98f00b204e9800998ecf8427e",	TYPE_STRING)
 	_player_name	= Serializable(b"osu!",								TYPE_STRING)
 	_score_hash		= Serializable(b"d41d8cd98f00b204e9800998ecf8427e",	TYPE_STRING)