diff --git a/nbt/nbt.py b/nbt/nbt.py
index 884c586..011e38f 100644
--- a/nbt/nbt.py
+++ b/nbt/nbt.py
@@ -132,7 +132,7 @@ def _render_buffer(self, buffer):
 		length = len(self.value)
 		self.update_fmt(length)
 		TAG_Int(length)._render_buffer(buffer)
-		buffer.write(pack(self.fmt, self.value))
+		buffer.write(pack(self.fmt, *self.value))
 
 	#Printing and Formatting of tree
 	def __repr__(self):