diff --git a/apps/tests/http-tests.ts b/apps/tests/http-tests.ts
index 682be7cb4..53a3711d8 100644
--- a/apps/tests/http-tests.ts
+++ b/apps/tests/http-tests.ts
@@ -340,6 +340,29 @@ export var test_request_contentSentAndReceivedProperly = function (done) {
         });
 };
 
+export var test_request_NonStringHeadersSentAndReceivedProperly = function (done) {
+    var result;
+
+    var postData = "MyVariableOne=ValueOne&MyVariableTwo=ValueTwo";
+
+    http.request({
+        url: "https://httpbin.org/post", method: "POST",
+        headers: { "Content-Type": "application/x-www-form-urlencoded", "Content-Length": postData.length },
+        content: postData
+    }).then(function (response) {
+            result = response.content.toJSON();
+            try {
+                TKUnit.assert(result["form"]["MyVariableOne"] === "ValueOne" && result["form"]["MyVariableTwo"] === "ValueTwo", "Content not sent/received properly!");
+                done(null);
+            }
+            catch (err) {
+                done(err);
+            }
+        }, function (e) {
+            done(e);
+        });
+};
+
 export var test_request_jsonAsContentSentAndReceivedProperly = function (done) {
     var result;
 
diff --git a/http/http-request.android.ts b/http/http-request.android.ts
index 3be665917..732255c6c 100644
--- a/http/http-request.android.ts
+++ b/http/http-request.android.ts
@@ -85,7 +85,7 @@ function buildJavaOptions(options: http.HttpRequestOptions) {
         var pair = com.tns.Async.Http.KeyValuePair;
 
         for (var key in options.headers) {
-            arrayList.add(new pair(key, options.headers[key]));
+            arrayList.add(new pair(key, options.headers[key] + ""));
         }
 
         javaOptions.headers = arrayList;
diff --git a/http/http-request.ios.ts b/http/http-request.ios.ts
index 920656e8e..88632185a 100644
--- a/http/http-request.ios.ts
+++ b/http/http-request.ios.ts
@@ -28,7 +28,7 @@ export function request(options: http.HttpRequestOptions): Promise<http.HttpResp
 
             if (options.headers) {
                 for (var header in options.headers) {
-                    urlRequest.setValueForHTTPHeaderField(options.headers[header], header);
+                    urlRequest.setValueForHTTPHeaderField(options.headers[header] + "", header);
                 }
             }