diff --git a/lib/absinthe/plug.ex b/lib/absinthe/plug.ex
index d8fdf38..062578a 100644
--- a/lib/absinthe/plug.ex
+++ b/lib/absinthe/plug.ex
@@ -372,7 +372,7 @@ defmodule Absinthe.Plug do
   def subscribe_loop(conn, topic, config) do
     receive do
       %{event: "subscription:data", payload: %{result: result}} ->
-        case chunk(conn, "#{encode_json!(result, config)}\n\n") do
+        case chunk(conn, "event: next\ndata: #{encode_json!(result, config)}\n\n") do
           {:ok, conn} ->
             subscribe_loop(conn, topic, config)
 
diff --git a/test/lib/absinthe/plug_test.exs b/test/lib/absinthe/plug_test.exs
index 975ebc6..6dc6358 100644
--- a/test/lib/absinthe/plug_test.exs
+++ b/test/lib/absinthe/plug_test.exs
@@ -472,14 +472,13 @@ defmodule Absinthe.PlugTest do
     conn = Task.await(request)
     {_module, state} = conn.adapter
 
-    events =
-      state.chunks
-      |> String.split()
-      |> Enum.map(&Jason.decode!/1)
-
-    assert length(events) == 2
-    assert Enum.member?(events, %{"data" => %{"update" => "FOO"}})
-    assert Enum.member?(events, %{"data" => %{"update" => "BAR"}})
+    [event1, event2] = String.split(state.chunks, "\n\n", trim: true)
+
+    assert "event: next\ndata: " <> event1_data = event1
+    assert "event: next\ndata: " <> event2_data = event2
+
+    assert Jason.decode!(event1_data) == %{"data" => %{"update" => "FOO"}}
+    assert Jason.decode!(event2_data) == %{"data" => %{"update" => "BAR"}}
   end
 
   @query """