HTTP response not being decoded

So....here's a snippet of what I have:

tshark -n -r _web-72.52.135.69-Mon-2015-11-30--19-36-02.pcapng
  1 0.000000000    10.0.2.35 -> 72.52.135.69 TCP 66 61481â80 [SYN] Seq=0 Win=65535 Len=0 MSS=1460 SACK_PERM=1
  2 0.068716000 72.52.135.69 -> 10.0.2.35    TCP 66 80â61481 [SYN, ACK] Seq=0 Ack=1 Win=14600 Len=0 MSS=1380 SACK_PERM=1
  3 0.068913000    10.0.2.35 -> 72.52.135.69 TCP 64 61481â80 [ACK] Seq=1 Ack=1 Win=65535 Len=0
  4 0.069064000    10.0.2.35 -> 72.52.135.69 HTTP 606 GET / HTTP/1.1
  5 0.138513000 72.52.135.69 -> 10.0.2.35    TCP 64 80â61481 [ACK] Seq=1 Ack=549 Win=15344 Len=0
  6 2.740825000 72.52.135.69 -> 10.0.2.35    TCP 1438 [TCP segment of a reassembled PDU]
  7 2.740868000 72.52.135.69 -> 10.0.2.35    TCP 1438 [TCP segment of a reassembled PDU]
  8 2.740878000 72.52.135.69 -> 10.0.2.35    TCP 1438 [TCP segment of a reassembled PDU]
  9 2.740893000 72.52.135.69 -> 10.0.2.35    TCP 1438 [TCP segment of a reassembled PDU]
 10 2.740899000 72.52.135.69 -> 10.0.2.35    TCP 1438 [TCP segment of a reassembled PDU]
 11 2.740903000 72.52.135.69 -> 10.0.2.35    TCP 1438 [TCP segment of a reassembled PDU]
 12 2.740946000 72.52.135.69 -> 10.0.2.35    TCP 1438 [TCP segment of a reassembled PDU]
 13 2.740950000    10.0.2.35 -> 72.52.135.69 TCP 64 61481â80 [ACK] Seq=549 Ack=2761 Win=63880 Len=0
 14 2.740952000    10.0.2.35 -> 72.52.135.69 TCP 64 61481â80 [ACK] Seq=549 Ack=5521 Win=61120 Len=0
 15 2.741087000    10.0.2.35 -> 72.52.135.69 TCP 64 61481â80 [ACK] Seq=549 Ack=8281 Win=63880 Len=0
 16 2.741091000    10.0.2.35 -> 72.52.135.69 TCP 64 [TCP ACKed unseen segment] 61481â80 [ACK] Seq=549 Ack=11041 Win=61120 Len=0
 17 2.741093000    10.0.2.35 -> 72.52.135.69 TCP 64 [TCP ACKed unseen segment] 61481â80 [ACK] Seq=549 Ack=13801 Win=58360 Len=0
 18 2.742424000    10.0.2.35 -> 72.52.135.69 TCP 64 [TCP ACKed unseen segment] 61481â80 [FIN, ACK] Seq=549 Ack=13801 Win=65535 Len=0
 19 2.809661000 72.52.135.69 -> 10.0.2.35    TCP 1438 [TCP Previous segment not captured] [TCP segment of a reassembled PDU]
 20 2.809680000 72.52.135.69 -> 10.0.2.35    TCP 1438 [TCP segment of a reassembled PDU]
 21 2.809682000 72.52.135.69 -> 10.0.2.35    TCP 1438 [TCP segment of a reassembled PDU]
 22 2.809710000 72.52.135.69 -> 10.0.2.35    TCP 1438 [TCP segment of a reassembled PDU]
 23 2.809774000 72.52.135.69 -> 10.0.2.35    TCP 1438 [TCP segment of a reassembled PDU]
 24 2.809789000 72.52.135.69 -> 10.0.2.35    TCP 625 [TCP segment of a reassembled PDU]
 25 2.809792000 72.52.135.69 -> 10.0.2.35    TCP 64 80â61481 [FIN, ACK] Seq=21268 Ack=549 Win=15344 Len=0

tshark (version 1.12.6) doesn't seem to be able to see the HTTP response, which is in packet #6:

HTTP/1.1 200 OK
Date: Mon, 30 Nov 2015 19:35:21 GMT
Server: Apache/2.4.16 (Unix) OpenSSL/1.0.1e-fips mod_bwlimited/1.4
X-Powered-By: PHP/5.4.45
Set-Cookie: _PHP_SESSION_PHP=351; expires=Mon, 07-Dec-2015 19:35:21 GMT; path=/
Vary: Accept-Encoding,User-Agent
Content-Encoding: gzip
Content-Length: 20911
Connection: close
Content-Type: text/html

I see the same thing in Wireshark 2.0. Any clue on why this isn't been seen as HTTP? Thank you.