diff --git a/dist/index.d.ts b/dist/index.d.ts
index 09cd18e..1fb6aac 100644
--- a/dist/index.d.ts
+++ b/dist/index.d.ts
@@ -25,7 +25,7 @@ export declare class ApolloError extends ExtendableError {
     locations: any;
     _showLocations: boolean;
     _showPath: boolean;
-    constructor(name: string, config: ErrorConfig, ctorData: any);
+    constructor(name: string, config: ErrorConfig, ctorConfig: ErrorConfig);
     serialize(): ErrorInfo;
 }
 export declare const isInstance: (e: any) => boolean;
diff --git a/dist/index.js b/dist/index.js
index f0798fc..663e89d 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -24,15 +24,21 @@ var isString = function (d) { return Object.prototype.toString.call(d) === '[obj
 var isObject = function (d) { return Object.prototype.toString.call(d) === '[object Object]'; };
 var ApolloError = /** @class */ (function (_super) {
     __extends(ApolloError, _super);
-    function ApolloError(name, config, ctorData) {
-        var _this = _super.call(this, (ctorData && ctorData.message) || '') || this;
+    // NOTE: The object passed to the Constructor is actually `ctorData`.
+    //       We are binding the constructor to the name and config object
+    //       for the first two parameters inside of `createError`
+    function ApolloError(name, config, ctorConfig) {
+        var _this = _super.call(this, (ctorConfig && ctorConfig.message) || (config && config.message) || '') || this;
         _this._showLocations = false;
         _this._showPath = false;
-        var t = (ctorData && ctorData.time_thrown) || (new Date()).toISOString();
-        var m = (ctorData && ctorData.message) || '';
-        var configData = (ctorData && ctorData.data) || {};
-        var d = __assign({}, _this.data, configData);
-        var opts = ((ctorData && ctorData.options) || {});
+        var t = (ctorConfig && ctorConfig.time_thrown) || (config && config.time_thrown) || (new Date()).toISOString();
+        var m = (ctorConfig && ctorConfig.message) || (config && config.message) || '';
+        var ctorData = (ctorConfig && ctorConfig.data) || {};
+        var configData = (config && config.data) || {};
+        var d = __assign({}, _this.data, configData, ctorData);
+        var ctorOptions = (ctorConfig && ctorConfig.options) || {};
+        var configOptions = (config && config.options) || {};
+        var opts = __assign({}, configOptions, ctorOptions);
         _this.name = name;
         _this.message = m;
         _this.time_thrown = t;
@@ -66,6 +72,9 @@ exports.isInstance = function (e) { return e instanceof ApolloError; };
 exports.createError = function (name, config) {
     assert(isObject(config), 'createError requires a config object as the second parameter');
     assert(isString(config.message), 'createError requires a "message" property on the config object passed as the second parameter');
+    // NOTE: The first two parameters give to the constructor will always be name and config
+    //       Parameters passed to the constructor when `new` is invoked will be passed as
+    //       subsequent parameters.
     return ApolloError.bind(null, name, config);
 };
 exports.formatError = function (error, returnNull) {
diff --git a/dist/index.js.map b/dist/index.js.map
index a51ade4..98e6395 100644
--- a/dist/index.js.map
+++ b/dist/index.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"index.js","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;AAAA,+BAAiC;AACjC,qDAA+C;AAE/C,IAAM,QAAQ,GAAG,UAAA,CAAC,IAAI,OAAA,MAAM,CAAC,SAAS,CAAC,QAAQ,CAAC,IAAI,CAAC,CAAC,CAAC,KAAK,iBAAiB,EAAvD,CAAuD,CAAC;AAC9E,IAAM,QAAQ,GAAG,UAAA,CAAC,IAAI,OAAA,MAAM,CAAC,SAAS,CAAC,QAAQ,CAAC,IAAI,CAAC,CAAC,CAAC,KAAK,iBAAiB,EAAvD,CAAuD,CAAC;AAqB9E;IAAiC,+BAAe;IAU9C,qEAAqE;IACrE,qEAAqE;IACrE,6DAA6D;IAC7D,qBAAY,IAAY,EAAE,MAAmB,EAAE,UAAuB;QAAtE,YACE,kBAAM,CAAC,UAAU,IAAI,UAAU,CAAC,OAAO,CAAC,IAAI,CAAC,MAAM,IAAI,MAAM,CAAC,OAAO,CAAC,IAAI,EAAE,CAAC,SAkB9E;QAzBD,oBAAc,GAAY,KAAK,CAAC;QAChC,eAAS,GAAY,KAAK,CAAC;QAQzB,IAAM,CAAC,GAAG,CAAC,UAAU,IAAI,UAAU,CAAC,WAAW,CAAC,IAAI,CAAC,MAAM,IAAI,MAAM,CAAC,WAAW,CAAC,IAAI,CAAC,IAAI,IAAI,EAAE,CAAC,CAAC,WAAW,EAAE,CAAC;QACjH,IAAM,CAAC,GAAG,CAAC,UAAU,IAAI,UAAU,CAAC,OAAO,CAAC,IAAI,CAAC,MAAM,IAAI,MAAM,CAAC,OAAO,CAAC,IAAI,EAAE,CAAC;QACjF,IAAM,QAAQ,GAAG,CAAC,UAAU,IAAI,UAAU,CAAC,IAAI,CAAC,IAAI,EAAE,CAAC;QACvD,IAAM,UAAU,GAAG,CAAC,MAAM,IAAI,MAAM,CAAC,IAAI,CAAC,IAAI,EAAE,CAAC;QACjD,IAAM,CAAC,gBAAQ,KAAI,CAAC,IAAI,EAAK,UAAU,EAAK,QAAQ,CAAE,CAAC;QACvD,IAAM,WAAW,GAAG,CAAC,UAAU,IAAI,UAAU,CAAC,OAAO,CAAC,IAAI,EAAE,CAAC;QAC7D,IAAM,aAAa,GAAG,CAAC,MAAM,IAAI,MAAM,CAAC,OAAO,CAAC,IAAI,EAAE,CAAC;QACvD,IAAM,IAAI,gBAAQ,aAAa,EAAK,WAAW,CAAE,CAAC;QAGlD,KAAI,CAAC,IAAI,GAAG,IAAI,CAAC;QACjB,KAAI,CAAC,OAAO,GAAG,CAAC,CAAC;QACjB,KAAI,CAAC,WAAW,GAAG,CAAC,CAAC;QACrB,KAAI,CAAC,IAAI,GAAG,CAAC,CAAC;QACd,KAAI,CAAC,cAAc,GAAG,CAAC,CAAC,IAAI,CAAC,aAAa,CAAC;QAC3C,KAAI,CAAC,SAAS,GAAG,CAAC,CAAC,IAAI,CAAC,QAAQ,CAAC;;IACnC,CAAC;IAED,+BAAS,GAAT;QACQ,IAAA,SAAuF,EAArF,cAAI,EAAE,oBAAO,EAAE,4BAAW,EAAE,cAAI,EAAE,kCAAc,EAAE,wBAAS,EAAE,cAAI,EAAE,wBAAS,CAAU;QAE9F,IAAI,KAAK,GAAc;YACrB,OAAO,SAAA;YACP,IAAI,MAAA;YACJ,WAAW,aAAA;YACX,IAAI,MAAA;YACJ,IAAI,MAAA;YACJ,SAAS,WAAA;SACV,CAAC;QAEF,EAAE,CAAC,CAAC,cAAc,CAAC,CAAC,CAAC;YACnB,KAAK,CAAC,SAAS,GAAG,SAAS,CAAC;QAC9B,CAAC;QAED,EAAE,CAAC,CAAC,SAAS,CAAC,CAAC,CAAC;YACd,KAAK,CAAC,IAAI,GAAG,IAAI,CAAC;QACpB,CAAC;QAED,MAAM,CAAC,KAAK,CAAC;IACf,CAAC;IACH,kBAAC;AAAD,CAAC,AAxDD,CAAiC,0BAAe,GAwD/C;AAxDY,kCAAW;AA0DX,QAAA,UAAU,GAAG,UAAA,CAAC,IAAI,OAAA,CAAC,YAAY,WAAW,EAAxB,CAAwB,CAAC;AAE3C,QAAA,WAAW,GAAG,UAAC,IAAY,EAAE,MAAmB;IAC3D,MAAM,CAAC,QAAQ,CAAC,MAAM,CAAC,EAAE,8DAA8D,CAAC,CAAC;IACzF,MAAM,CAAC,QAAQ,CAAC,MAAM,CAAC,OAAO,CAAC,EAAE,+FAA+F,CAAC,CAAC;IAClI,wFAAwF;IACxF,qFAAqF;IACrF,+BAA+B;IAC/B,MAAM,CAAC,WAAW,CAAC,IAAI,CAAC,IAAI,EAAE,IAAI,EAAE,MAAM,CAAC,CAAC;AAC9C,CAAC,CAAC;AAEW,QAAA,WAAW,GAAG,UAAC,KAAK,EAAE,UAAkB;IAAlB,2BAAA,EAAA,kBAAkB;IACnD,IAAM,aAAa,GAAG,KAAK,CAAC,CAAC,CAAC,KAAK,CAAC,aAAa,IAAI,KAAK,CAAC,CAAC,CAAC,IAAI,CAAC;IAElE,EAAE,CAAC,CAAC,CAAC,aAAa,CAAC;QAAC,MAAM,CAAC,UAAU,CAAC,CAAC,CAAC,IAAI,CAAC,CAAC,CAAC,KAAK,CAAC;IAE7C,IAAA,yBAAI,CAAmB;IAE/B,EAAE,CAAC,CAAC,CAAC,IAAI,IAAI,CAAC,kBAAU,CAAC,aAAa,CAAC,CAAC;QAAC,MAAM,CAAC,UAAU,CAAC,CAAC,CAAC,IAAI,CAAC,CAAC,CAAC,KAAK,CAAC;IAElE,IAAA,uCAAW,EAAE,+BAAO,EAAE,yBAAI,EAAE,6CAAc,EAAE,mCAAS,CAAmB;IACxE,IAAA,2BAAS,EAAE,iBAAI,CAAW;IAElC,EAAE,CAAC,CAAC,cAAc,CAAC,CAAC,CAAC;QACnB,aAAa,CAAC,SAAS,GAAG,SAAS,CAAC;IACtC,CAAC;IAED,EAAE,CAAC,CAAC,SAAS,CAAC,CAAC,CAAC;QACd,aAAa,CAAC,IAAI,GAAG,IAAI,CAAC;IAC5B,CAAC;IAED,MAAM,CAAC,aAAa,CAAC,SAAS,EAAE,CAAC;AACnC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/test/spec.js b/test/spec.js
index 9036ac4..74c07ae 100644
--- a/test/spec.js
+++ b/test/spec.js
@@ -40,6 +40,25 @@ describe('createError', () => {
         foo: 'bar'
       });
     });
+    it('uses original message and merges original data', () => {
+      const FooError = createError('FooError', {
+        message: 'A foo error has occurred',
+        data: {
+          hello: 'world'
+        },
+        options: {
+          showLocations: false,
+          showPath: true
+        }
+      });
+      const e = new FooError({data: {foo: 'bar'}});
+
+      const { message, name, time_thrown, data } = e.serialize();
+      expect(message).to.equal('A foo error has occurred');
+      expect(name).to.equal('FooError');
+      expect(time_thrown).to.equal(e.time_thrown);
+      expect(data).to.eql({ hello: 'world', foo: 'bar' });
+    });
   });
   context('when missing a config as the second parameter', () => {
     it('throws an assertion error with a useful message', () => {