diff --git a/test/integration/index.html b/test/integration/index.html
index 441559b064b6..4e54424d5c08 100644
--- a/test/integration/index.html
+++ b/test/integration/index.html
@@ -18,7 +18,7 @@
 
     <!-- Mocking -->
     <script src="../../node_modules/sinon/pkg/sinon.js"></script>
-    <script src="../../dist/raven.js"></script>
+    <script src="../../build/raven.js"></script>
     <script>
     beforeEach(function() {
         this.sinon = sinon.sandbox.create();
diff --git a/test/integration/test.js b/test/integration/test.js
index 0d5d264eacb9..a360051aead5 100644
--- a/test/integration/test.js
+++ b/test/integration/test.js
@@ -78,6 +78,29 @@ describe('integration', function () {
                 }
             );
         });
+
+        it('should capture an Error object passed to Raven.captureException w/ maxMessageLength set (#647)', function (done) {
+            var iframe = this.iframe;
+            iframeExecute(iframe, done,
+                function () {
+                    setTimeout(done);
+
+                    Raven._globalOptions.maxMessageLength = 100;
+                    Raven.captureException(new Error('lol'), {
+                      level: 'warning',
+                      extra: {
+                        foo: 'bar'
+                      }
+                    });
+                },
+                function () {
+                    var ravenData = iframe.contentWindow.ravenData[0];
+                    assert.equal(ravenData.exception.type, 'Error');
+                    assert.equal(ravenData.exception.value, 'lol');
+                    assert.equal(ravenData.exception.values[0].stacktrace.frames.length, 1);
+                }
+            );
+        });
     });
 
     describe('window.onerror', function () {