From 115cb2e8144c8edbeaf3cd23f176e4ca6108af6a Mon Sep 17 00:00:00 2001
From: Philip Stears <philip@philipstears.com>
Date: Mon, 6 Jun 2016 22:44:53 +0100
Subject: Fix badarg in http/2 ping generation

---
 src/gun_http2.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gun_http2.erl b/src/gun_http2.erl
index 095056a..7713dc1 100644
--- a/src/gun_http2.erl
+++ b/src/gun_http2.erl
@@ -197,7 +197,7 @@ close_streams(Owner, [#stream{ref=StreamRef}|Tail]) ->
 	close_streams(Owner, Tail).
 
 keepalive(State=#http2_state{socket=Socket, transport=Transport}) ->
-	Transport:send(Socket, cow_http2:ping(<< 0:64 >>)),
+	Transport:send(Socket, cow_http2:ping(0)),
 	State.
 
 %% @todo Shouldn't always be HTTPS scheme. We need to properly keep track of it.
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