diff --git a/tool/dump_tlv.py b/tool/dump_tlv.py
index 3cee84bb6..e8eed4322 100755
--- a/tool/dump_tlv.py
+++ b/tool/dump_tlv.py
@@ -60,7 +60,7 @@ with open (infile, 'rb') as fin:
 			pos += 4
 			packet  = fin.read(len)
 			pos += len
-			print('%04x' % tag + as_hex(packet))
+			print('%04x: ' % tag + as_hex(packet))
 		print("Done")
 
 	except TypeError: