diff --git a/fixture/vcr_cassettes/example_httpc_request_4.json b/fixture/vcr_cassettes/example_httpc_request_4.json
index 2d66b41..bbccee2 100644
--- a/fixture/vcr_cassettes/example_httpc_request_4.json
+++ b/fixture/vcr_cassettes/example_httpc_request_4.json
@@ -8,19 +8,21 @@
         "httpc_options": [],
         "http_options": []
       },
+      "request_body": "",
       "url": "http://example.com"
     },
     "response": {
       "body": "<!doctype html>\n<html>\n<head>\n    <title>Example Domain</title>\n\n    <meta charset=\"utf-8\" />\n    <meta http-equiv=\"Content-type\" content=\"text/html; charset=utf-8\" />\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" />\n    <style type=\"text/css\">\n    body {\n        background-color: #f0f0f2;\n        margin: 0;\n        padding: 0;\n        font-family: \"Open Sans\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;\n        \n    }\n    div {\n        width: 600px;\n        margin: 5em auto;\n        padding: 50px;\n        background-color: #fff;\n        border-radius: 1em;\n    }\n    a:link, a:visited {\n        color: #38488f;\n        text-decoration: none;\n    }\n    @media (max-width: 700px) {\n        body {\n            background-color: #fff;\n        }\n        div {\n            width: auto;\n            margin: 0 auto;\n            border-radius: 0;\n            padding: 1em;\n        }\n    }\n    </style>    \n</head>\n\n<body>\n<div>\n    <h1>Example Domain</h1>\n    <p>This domain is established to be used for illustrative examples in documents. You may use this\n    domain in examples without prior coordination or asking for permission.</p>\n    <p><a href=\"http://www.iana.org/domains/example\">More information...</a></p>\n</div>\n</body>\n</html>\n",
       "headers": {
         "cache-control": "max-age=604800",
-        "date": "Sun, 30 Nov 2014 11:15:00 GMT",
+        "date": "Tue, 12 Jan 2016 13:12:40 GMT",
         "accept-ranges": "bytes",
         "etag": "\"359670651\"",
-        "server": "ECS (cpm/F9FC)",
+        "server": "ECS (ewr/15BD)",
+        "vary": "Accept-Encoding",
         "content-length": "1270",
         "content-type": "text/html",
-        "expires": "Sun, 07 Dec 2014 11:15:00 GMT",
+        "expires": "Tue, 19 Jan 2016 13:12:40 GMT",
         "last-modified": "Fri, 09 Aug 2013 23:54:35 GMT",
         "x-cache": "HIT",
         "x-ec-custom-error": "1"
diff --git a/fixture/vcr_cassettes/example_httpc_request_4_additional_options.json b/fixture/vcr_cassettes/example_httpc_request_4_additional_options.json
new file mode 100644
index 0000000..a0a3033
--- /dev/null
+++ b/fixture/vcr_cassettes/example_httpc_request_4_additional_options.json
@@ -0,0 +1,45 @@
+[
+  {
+    "request": {
+      "body": "",
+      "headers": {
+        "Content-Type": "text/html"
+      },
+      "method": "get",
+      "options": {
+        "httpc_options": {
+          "body_format": "binary"
+        },
+        "http_options": {
+          "connect_timeout": "3000",
+          "timeout": "5000"
+        }
+      },
+      "request_body": "",
+      "url": "http://example.com"
+    },
+    "response": {
+      "body": "<!doctype html>\n<html>\n<head>\n    <title>Example Domain</title>\n\n    <meta charset=\"utf-8\" />\n    <meta http-equiv=\"Content-type\" content=\"text/html; charset=utf-8\" />\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" />\n    <style type=\"text/css\">\n    body {\n        background-color: #f0f0f2;\n        margin: 0;\n        padding: 0;\n        font-family: \"Open Sans\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;\n        \n    }\n    div {\n        width: 600px;\n        margin: 5em auto;\n        padding: 50px;\n        background-color: #fff;\n        border-radius: 1em;\n    }\n    a:link, a:visited {\n        color: #38488f;\n        text-decoration: none;\n    }\n    @media (max-width: 700px) {\n        body {\n            background-color: #fff;\n        }\n        div {\n            width: auto;\n            margin: 0 auto;\n            border-radius: 0;\n            padding: 1em;\n        }\n    }\n    </style>    \n</head>\n\n<body>\n<div>\n    <h1>Example Domain</h1>\n    <p>This domain is established to be used for illustrative examples in documents. You may use this\n    domain in examples without prior coordination or asking for permission.</p>\n    <p><a href=\"http://www.iana.org/domains/example\">More information...</a></p>\n</div>\n</body>\n</html>\n",
+      "headers": {
+        "cache-control": "max-age=604800",
+        "date": "Tue, 12 Jan 2016 13:12:40 GMT",
+        "accept-ranges": "bytes",
+        "etag": "\"359670651\"",
+        "server": "ECS (ewr/15BD)",
+        "vary": "Accept-Encoding",
+        "content-length": "1270",
+        "content-type": "text/html",
+        "expires": "Tue, 19 Jan 2016 13:12:40 GMT",
+        "last-modified": "Fri, 09 Aug 2013 23:54:35 GMT",
+        "x-cache": "HIT",
+        "x-ec-custom-error": "1"
+      },
+      "status_code": [
+        "HTTP/1.1",
+        200,
+        "OK"
+      ],
+      "type": "ok"
+    }
+  }
+]
\ No newline at end of file
diff --git a/lib/exvcr/adapter/httpc.ex b/lib/exvcr/adapter/httpc.ex
index b9fef36..9b18372 100644
--- a/lib/exvcr/adapter/httpc.ex
+++ b/lib/exvcr/adapter/httpc.ex
@@ -35,14 +35,13 @@ defmodule ExVCR.Adapter.Httpc do
   Generate key for searching response.
   """
   def generate_keys_for_request(request) do
-    if Enum.count(request) <= 2 do
-      [url: Enum.fetch!(request, 0), method: :get]
-    else
-      url = Enum.fetch!(request, 1) |> elem(0)
-      method = Enum.fetch!(request, 0)
-      request_body = Enum.fetch(request, 3) |> parse_request_body
-
-      [url: url, method: method, request_body: request_body]
+    case request do
+      [method, {url, _} | _] ->
+        [url: url, method: method, request_body: nil]
+      [method, {url, _, _, body} | _] ->
+        [url: url, method: method, request_body: body]
+      [url | _] ->
+        [url: url, method: :get, request_body: nil]
     end
   end
 
diff --git a/test/adapter_httpc_test.exs b/test/adapter_httpc_test.exs
index 7b6f25a..ce1032c 100644
--- a/test/adapter_httpc_test.exs
+++ b/test/adapter_httpc_test.exs
@@ -25,6 +25,17 @@ defmodule ExVCR.Adapter.HttpcTest do
     end
   end
 
+  test "example httpc request/4 with additional options" do
+    use_cassette "example_httpc_request_4_additional_options" do
+      {:ok, {{_, 200, _reason_phrase}, _headers, body}} = :httpc.request(
+        :get,
+        {'http://example.com', [{'Content-Type', 'text/html'}]},
+        [connect_timeout: 3000, timeout: 5000],
+        body_format: :binary)
+      assert to_string(body) =~ ~r/Example Domain/
+    end
+  end
+
   test "example httpc request error" do
     use_cassette "example_httpc_request_error" do
       {:error, {reason, _detail}} = :httpc.request('http://invalidurl')
