diff --git a/.gitignore b/.gitignore
index de76725c8..23eadc1e3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 coverage/
 node_modules/
 npm-debug.log
+dist/
 
 .idea/
 *.iml
diff --git a/.istanbul.yml b/.istanbul.yml
new file mode 100644
index 000000000..389032fa4
--- /dev/null
+++ b/.istanbul.yml
@@ -0,0 +1,7 @@
+instrumentation:
+  root: src
+  include-all-sources: true
+  verbose: true
+  excludes: ["./dist"]
+reporting:
+  dir: "coverage"
diff --git a/entrypoint.js b/entrypoint.js
new file mode 100644
index 000000000..657280bea
--- /dev/null
+++ b/entrypoint.js
@@ -0,0 +1,27 @@
+var initTracer = require('./dist/src/index.js').initTracer;
+var ConstSampler = require('./dist/src/samplers/const_sampler.js').default;
+var ProbabilisticSampler = require('./dist/src/samplers/probabilistic_sampler.js').default;
+var RateLimitingSampler = require('./dist/src/samplers/ratelimiting_sampler.js').default;
+var RemoteSampler = require('./dist/src/samplers/remote_sampler.js').default;
+var CompositeReporter = require('./dist/src/reporters/composite_reporter.js').default;
+var InMemoryReporter = require('./dist/src/reporters/in_memory_reporter.js').default;
+var LoggingReporter = require('./dist/src/reporters/logging_reporter.js').default;
+var NoopReporter = require('./dist/src/reporters/noop_reporter.js').default;
+var RemoteReporter = require('./dist/src/reporters/remote_reporter.js').default;
+var SpanContext = require('./dist/src/span_context.js').default;
+var TestUtils = require('./dist/src/test_util.js').default
+
+module.exports = {
+    initTracer: initTracer,
+    ConstSampler: ConstSampler,
+    ProbabilisticSampler: ProbabilisticSampler,
+    RateLimitingSampler: RateLimitingSampler,
+    RemoteSampler: RemoteSampler,
+    CompositeReporter: CompositeReporter,
+    InMemoryReporter: InMemoryReporter,
+    LoggingReporter: LoggingReporter,
+    NoopReporter: NoopReporter,
+    RemoteReporter: RemoteReporter,
+    TestUtils: TestUtils,
+    SpanContext: SpanContext
+};
diff --git a/package.json b/package.json
index 092a6a0ac..784bdb3e3 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "licence": "MIT",
   "keywords": [],
   "author": "oibe <oibe@uber.com>",
-  "main": "./dist/src/index.js",
+  "main": "./entrypoint.js",
   "repository": {
     "type": "git",
     "url": "git://github.com/uber/jaeger-client-node.git"
@@ -48,7 +48,7 @@
     "lodash": "^4.15.0",
     "minimist": "1.2.0",
     "mocha": "^3.0.1",
-    "opentracing": "git://github.com/opentracing/opentracing-javascript.git#575e8149aadba97d27e9cadff3b8e47a15c2db09",
+    "opentracing": "^0.13.0",
     "rsvp": "^3.3.1",
     "sinon": "^1.17.5",
     "uber-licence": "^2.0.2",
@@ -64,7 +64,7 @@
     "flow": "flow; test $? -eq 0 -o $? -eq 2",
     "lint": "eslint $(ls src/ | grep '.js$') && echo '# linter passed'",
     "lint-ci": "npm run lint && echo '# TODO: ADD npm run check-license'",
-    "test": "npm run flow & npm run lint && ./node_modules/mocha/bin/mocha --compilers js:babel-core/register",
+    "test": "make build-node; npm run flow & npm run lint && ./node_modules/mocha/bin/mocha --compilers js:babel-core/register",
     "test-ci": "npm run test && npm run lint-ci && npm run cover",
     "show-cover": "open coverage/lcov-report/index.html"
   }
diff --git a/src/configuration.js b/src/configuration.js
index 89984745b..a4fbb0713 100644
--- a/src/configuration.js
+++ b/src/configuration.js
@@ -139,14 +139,14 @@ export default class Configuration {
         if (config.disable) {
             return new opentracing.Tracer();
         } else {
+            if (config.sampler) {
+                sampler = Configuration._getSampler(config);
+            } else {
+                sampler = new RemoteSampler(config.serviceName);
+            }
+
             if (!options.reporter) {
                 reporter = Configuration._getReporter(config, options);
-
-                if (config.sampler) {
-                    sampler = Configuration._getSampler(config);
-                } else {
-                    sampler = new RemoteSampler(config.serviceName);
-                }
             } else {
                 reporter = options.reporter;
             }
diff --git a/test/entrypoint.js b/test/entrypoint.js
new file mode 100644
index 000000000..c37781629
--- /dev/null
+++ b/test/entrypoint.js
@@ -0,0 +1,39 @@
+// Copyright (c) 2016 Uber Technologies, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+import {expect} from 'chai';
+import entrypoint from '../entrypoint';
+
+describe('entrypoint', () => {
+    it ('should import and create objects without error', () => {
+        expect(entrypoint.initTracer).to.be.a('function');
+        expect(entrypoint.ConstSampler).to.be.a('function');
+        expect(entrypoint.ProbabilisticSampler).to.be.a('function');
+        expect(entrypoint.RateLimitingSampler).to.be.a('function');
+        expect(entrypoint.RemoteSampler).to.be.a('function');
+        expect(entrypoint.CompositeReporter).to.be.a('function');
+        expect(entrypoint.InMemoryReporter).to.be.a('function');
+        expect(entrypoint.LoggingReporter).to.be.a('function');
+        expect(entrypoint.NoopReporter).to.be.a('function');
+        expect(entrypoint.RemoteReporter).to.be.a('function');
+        expect(entrypoint.TestUtils).to.be.a('function');
+        expect(entrypoint.SpanContext).to.be.a('function');
+    });
+});