diff --git a/src/targets/ocaml/cohttp.js b/src/targets/ocaml/cohttp.js
index c913a0d3c..06be0f417 100644
--- a/src/targets/ocaml/cohttp.js
+++ b/src/targets/ocaml/cohttp.js
@@ -7,9 +7,11 @@ module.exports = function (source, options) {
     indent: '  '
   }, options)
 
+  var methods = ['get', 'post', 'head', 'delete', 'patch', 'put', 'options']
   var code = []
 
   code.push('open Cohttp_lwt_unix')
+  code.push('open Cohttp')
   code.push('open Lwt')
   code.push('')
 
@@ -32,16 +34,16 @@ module.exports = function (source, options) {
   // Add body
   if (source.postData.text) {
     // Just text
-    code.push(util.format('let body = %s in', JSON.stringify(source.postData.text)))
+    code.push(util.format('let body = Cohttp_lwt_body.of_string %s in', JSON.stringify(source.postData.text)))
   }
 
   // Do the request
   code.push('')
 
-  code.push(util.format('Client.call %s%s(Code.method_of_string "%s") uri',
+  code.push(util.format('Client.call %s%s%s uri',
     headers.length ? '~headers ' : '',
     source.postData.text ? '~body ' : '',
-    source.method
+    (methods.indexOf(this.source.method.toLowerCase()) >= 0 ? ('`' + this.source.method.toUpperCase()) : '(Code.method_of_string "' + this.source.method + '")')
   ))
 
   // Catch result
diff --git a/test/fixtures/output/ocaml/cohttp/application-form-encoded.ml b/test/fixtures/output/ocaml/cohttp/application-form-encoded.ml
index bca4c1bd1..866d83fe7 100644
--- a/test/fixtures/output/ocaml/cohttp/application-form-encoded.ml
+++ b/test/fixtures/output/ocaml/cohttp/application-form-encoded.ml
@@ -1,12 +1,13 @@
 open Cohttp_lwt_unix
+open Cohttp
 open Lwt
 
 let uri = Uri.of_string "http://mockbin.com/har" in
 let headers = Header.init ()
   |> fun h -> Header.add h "content-type" "application/x-www-form-urlencoded"
 in
-let body = "foo=bar&hello=world" in
+let body = Cohttp_lwt_body.of_string "foo=bar&hello=world" in
 
-Client.call ~headers ~body (Code.method_of_string "POST") uri
+Client.call ~headers ~body `POST uri
 >>= fun (res, body_stream) ->
   (* Do stuff with the result *)
diff --git a/test/fixtures/output/ocaml/cohttp/application-json.ml b/test/fixtures/output/ocaml/cohttp/application-json.ml
index 69008081b..aea3469a0 100644
--- a/test/fixtures/output/ocaml/cohttp/application-json.ml
+++ b/test/fixtures/output/ocaml/cohttp/application-json.ml
@@ -1,12 +1,13 @@
 open Cohttp_lwt_unix
+open Cohttp
 open Lwt
 
 let uri = Uri.of_string "http://mockbin.com/har" in
 let headers = Header.init ()
   |> fun h -> Header.add h "content-type" "application/json"
 in
-let body = "{\"number\": 1, \"string\": \"f\\\"oo\", \"arr\": [1, 2, 3], \"nested\": {\"a\": \"b\"}, \"arr_mix\": [1, \"a\", {\"arr_mix_nested\": {}}] }" in
+let body = Cohttp_lwt_body.of_string "{\"number\": 1, \"string\": \"f\\\"oo\", \"arr\": [1, 2, 3], \"nested\": {\"a\": \"b\"}, \"arr_mix\": [1, \"a\", {\"arr_mix_nested\": {}}] }" in
 
-Client.call ~headers ~body (Code.method_of_string "POST") uri
+Client.call ~headers ~body `POST uri
 >>= fun (res, body_stream) ->
   (* Do stuff with the result *)
diff --git a/test/fixtures/output/ocaml/cohttp/cookies.ml b/test/fixtures/output/ocaml/cohttp/cookies.ml
index 7cb0f9fdd..725e2f657 100644
--- a/test/fixtures/output/ocaml/cohttp/cookies.ml
+++ b/test/fixtures/output/ocaml/cohttp/cookies.ml
@@ -1,4 +1,5 @@
 open Cohttp_lwt_unix
+open Cohttp
 open Lwt
 
 let uri = Uri.of_string "http://mockbin.com/har" in
@@ -6,6 +7,6 @@ let headers = Header.init ()
   |> fun h -> Header.add h "cookie" "foo=bar; bar=baz"
 in
 
-Client.call ~headers (Code.method_of_string "POST") uri
+Client.call ~headers `POST uri
 >>= fun (res, body_stream) ->
   (* Do stuff with the result *)
diff --git a/test/fixtures/output/ocaml/cohttp/full.ml b/test/fixtures/output/ocaml/cohttp/full.ml
index 87f1fc16f..7514dd2ba 100644
--- a/test/fixtures/output/ocaml/cohttp/full.ml
+++ b/test/fixtures/output/ocaml/cohttp/full.ml
@@ -1,4 +1,5 @@
 open Cohttp_lwt_unix
+open Cohttp
 open Lwt
 
 let uri = Uri.of_string "http://mockbin.com/har?foo=bar&foo=baz&baz=abc&key=value" in
@@ -7,8 +8,8 @@ let headers = Header.init ()
   |> fun h -> Header.add h "accept" "application/json"
   |> fun h -> Header.add h "content-type" "application/x-www-form-urlencoded"
 in
-let body = "foo=bar" in
+let body = Cohttp_lwt_body.of_string "foo=bar" in
 
-Client.call ~headers ~body (Code.method_of_string "POST") uri
+Client.call ~headers ~body `POST uri
 >>= fun (res, body_stream) ->
   (* Do stuff with the result *)
diff --git a/test/fixtures/output/ocaml/cohttp/headers.ml b/test/fixtures/output/ocaml/cohttp/headers.ml
index d13f5c8f4..c0d8f02a2 100644
--- a/test/fixtures/output/ocaml/cohttp/headers.ml
+++ b/test/fixtures/output/ocaml/cohttp/headers.ml
@@ -1,4 +1,5 @@
 open Cohttp_lwt_unix
+open Cohttp
 open Lwt
 
 let uri = Uri.of_string "http://mockbin.com/har" in
@@ -7,6 +8,6 @@ let headers = Header.init ()
   |> fun h -> Header.add h "x-foo" "Bar"
 in
 
-Client.call ~headers (Code.method_of_string "GET") uri
+Client.call ~headers `GET uri
 >>= fun (res, body_stream) ->
   (* Do stuff with the result *)
diff --git a/test/fixtures/output/ocaml/cohttp/multipart-data.ml b/test/fixtures/output/ocaml/cohttp/multipart-data.ml
index fdeda971c..de7a3b291 100644
--- a/test/fixtures/output/ocaml/cohttp/multipart-data.ml
+++ b/test/fixtures/output/ocaml/cohttp/multipart-data.ml
@@ -1,12 +1,13 @@
 open Cohttp_lwt_unix
+open Cohttp
 open Lwt
 
 let uri = Uri.of_string "http://mockbin.com/har" in
 let headers = Header.init ()
   |> fun h -> Header.add h "content-type" "multipart/form-data; boundary=---011000010111000001101001"
 in
-let body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"foo\"; filename=\"hello.txt\"\r\nContent-Type: text/plain\r\n\r\nHello World\r\n-----011000010111000001101001--" in
+let body = Cohttp_lwt_body.of_string "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"foo\"; filename=\"hello.txt\"\r\nContent-Type: text/plain\r\n\r\nHello World\r\n-----011000010111000001101001--" in
 
-Client.call ~headers ~body (Code.method_of_string "POST") uri
+Client.call ~headers ~body `POST uri
 >>= fun (res, body_stream) ->
   (* Do stuff with the result *)
diff --git a/test/fixtures/output/ocaml/cohttp/multipart-file.ml b/test/fixtures/output/ocaml/cohttp/multipart-file.ml
index 04653d20c..9eb3fbaab 100644
--- a/test/fixtures/output/ocaml/cohttp/multipart-file.ml
+++ b/test/fixtures/output/ocaml/cohttp/multipart-file.ml
@@ -1,12 +1,13 @@
 open Cohttp_lwt_unix
+open Cohttp
 open Lwt
 
 let uri = Uri.of_string "http://mockbin.com/har" in
 let headers = Header.init ()
   |> fun h -> Header.add h "content-type" "multipart/form-data; boundary=---011000010111000001101001"
 in
-let body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"foo\"; filename=\"hello.txt\"\r\nContent-Type: text/plain\r\n\r\n\r\n-----011000010111000001101001--" in
+let body = Cohttp_lwt_body.of_string "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"foo\"; filename=\"hello.txt\"\r\nContent-Type: text/plain\r\n\r\n\r\n-----011000010111000001101001--" in
 
-Client.call ~headers ~body (Code.method_of_string "POST") uri
+Client.call ~headers ~body `POST uri
 >>= fun (res, body_stream) ->
   (* Do stuff with the result *)
diff --git a/test/fixtures/output/ocaml/cohttp/multipart-form-data.ml b/test/fixtures/output/ocaml/cohttp/multipart-form-data.ml
index 607c6c5ec..b6b5e9ba6 100644
--- a/test/fixtures/output/ocaml/cohttp/multipart-form-data.ml
+++ b/test/fixtures/output/ocaml/cohttp/multipart-form-data.ml
@@ -1,12 +1,13 @@
 open Cohttp_lwt_unix
+open Cohttp
 open Lwt
 
 let uri = Uri.of_string "http://mockbin.com/har" in
 let headers = Header.init ()
   |> fun h -> Header.add h "content-type" "multipart/form-data; boundary=---011000010111000001101001"
 in
-let body = "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"foo\"\r\n\r\nbar\r\n-----011000010111000001101001--" in
+let body = Cohttp_lwt_body.of_string "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"foo\"\r\n\r\nbar\r\n-----011000010111000001101001--" in
 
-Client.call ~headers ~body (Code.method_of_string "POST") uri
+Client.call ~headers ~body `POST uri
 >>= fun (res, body_stream) ->
   (* Do stuff with the result *)
diff --git a/test/fixtures/output/ocaml/cohttp/query.ml b/test/fixtures/output/ocaml/cohttp/query.ml
index 508836681..8634f1ab1 100644
--- a/test/fixtures/output/ocaml/cohttp/query.ml
+++ b/test/fixtures/output/ocaml/cohttp/query.ml
@@ -1,8 +1,9 @@
 open Cohttp_lwt_unix
+open Cohttp
 open Lwt
 
 let uri = Uri.of_string "http://mockbin.com/har?foo=bar&foo=baz&baz=abc&key=value" in
 
-Client.call (Code.method_of_string "GET") uri
+Client.call `GET uri
 >>= fun (res, body_stream) ->
   (* Do stuff with the result *)
diff --git a/test/fixtures/output/ocaml/cohttp/short.ml b/test/fixtures/output/ocaml/cohttp/short.ml
index ad85a96fb..189bc3f53 100644
--- a/test/fixtures/output/ocaml/cohttp/short.ml
+++ b/test/fixtures/output/ocaml/cohttp/short.ml
@@ -1,8 +1,9 @@
 open Cohttp_lwt_unix
+open Cohttp
 open Lwt
 
 let uri = Uri.of_string "http://mockbin.com/har" in
 
-Client.call (Code.method_of_string "GET") uri
+Client.call `GET uri
 >>= fun (res, body_stream) ->
   (* Do stuff with the result *)