diff --git a/index.js b/index.js
index d95f0c1..49cb76c 100644
--- a/index.js
+++ b/index.js
@@ -3,18 +3,16 @@ require('colors');
 var SpecReporter = function (baseReporterDecorator, formatError, config) {
   baseReporterDecorator(this);
 
-  var reporterCfg = config.specReporter || {};
-  this.prefixes = reporterCfg.prefixes || {
-      success: '✓ ',
-      failure: '✗ ',
-      skipped: '- ',
-    };
-
-  if (process && process.platform === 'win32') {
-    this.prefixes.success = '\u221A ';
-    this.prefixes.failure = '\u00D7 ';
-    this.prefixes.skipped = '- ';
+  var platform = process ? process.platform : 'unknown';
+  var selectPrefix = function(defaultMarker, win32Marker) {
+    return platform === 'win32' ? win32Marker : defaultMarker;
   }
+  var reporterCfg = config.specReporter || {};
+  this.prefixes = Object.assign({
+      success: selectPrefix('✓ ', '\u221A '),
+      failure: selectPrefix('✗ ', '\u00D7 '),
+      skipped: selectPrefix('- ', '\- ')
+    }, reporterCfg.prefixes);
 
   this.failures = [];
   this.USE_COLORS = false;
diff --git a/package.json b/package.json
index 5f044c3..f9ffda9 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "main": "index.js",
   "scripts": {
     "test": "mocha-runner --reporter spec test/**/*.spec.js",
-    "coverage": "istanbul cover -x test/**/*.js ./node_modules/.bin/mocha-runner -- --reporter spec test/**/*.js"
+    "coverage": "istanbul cover -x test/**/*.js node_modules/mocha/bin/_mocha -- --reporter spec test/**/*.js"
   },
   "repository": {
     "type": "git",
diff --git a/test/index.spec.js b/test/index.spec.js
index 7f2fd80..eb9e3d9 100644
--- a/test/index.spec.js
+++ b/test/index.spec.js
@@ -69,10 +69,8 @@ var baseReporterDecorator = function (context) {
 describe('SpecReporter', function () {
   describe('when initializing', function () {
     describe('and on a windows machine', function () {
-      var newSpecReporter;
-      var config = {};
-
-      beforeEach(function () {
+      function createSpecReporter(config) {
+        config = config || {};
         var processMock = {
           platform: function () {
             return 'win32';
@@ -84,14 +82,62 @@ describe('SpecReporter', function () {
             platform: 'win32'
           }
         });
-        newSpecReporter = new reporterRewire['reporter:spec'][1](baseReporterDecorator, formatError, config);
-      });
+        return new reporterRewire['reporter:spec'][1](baseReporterDecorator, formatError, config);
+      };
 
       it('SpecReporter should have icons defined appropriately', function () {
+        var newSpecReporter = createSpecReporter();
         newSpecReporter.prefixes.success.should.equal(windowsIcons.success);
         newSpecReporter.prefixes.failure.should.equal(windowsIcons.failure);
         newSpecReporter.prefixes.skipped.should.equal(windowsIcons.skipped);
       });
+
+      function createConfigWithPrefixes(prefixes) {
+        return {
+          specReporter: {
+            prefixes: prefixes
+          }
+        }
+      }
+      it('SpecReporter should allow overriding success icon only', function () {
+        var expected = 'PASS'; 
+        var config = createConfigWithPrefixes({ success: expected });
+        var newSpecReporter = createSpecReporter(config);
+        newSpecReporter.prefixes.success.should.equal(expected);
+        newSpecReporter.prefixes.failure.should.equal(windowsIcons.failure);
+        newSpecReporter.prefixes.skipped.should.equal(windowsIcons.skipped);
+      });
+
+      it('SpecReporter should allow overriding failure icon only', function () {
+        var expected = 'FAIL'; 
+        var config = createConfigWithPrefixes({ failure: expected });
+        var newSpecReporter = createSpecReporter(config);
+        newSpecReporter.prefixes.success.should.equal(windowsIcons.success);
+        newSpecReporter.prefixes.failure.should.equal(expected);
+        newSpecReporter.prefixes.skipped.should.equal(windowsIcons.skipped);
+      });
+
+      it('SpecReporter should allow overriding skipped icon only', function () {
+        var expected = 'SKIPPED'; 
+        var config = createConfigWithPrefixes({ skipped: expected });
+        var newSpecReporter = createSpecReporter(config);
+        newSpecReporter.prefixes.success.should.equal(windowsIcons.success);
+        newSpecReporter.prefixes.failure.should.equal(windowsIcons.failure);
+        newSpecReporter.prefixes.skipped.should.equal(expected);
+      });
+
+      it('SpecReporter should allow overriding all icons', function () {
+        var config = createConfigWithPrefixes({ 
+          skipped: 'Skipped',
+          failure: 'Failed',
+          success: 'Win!'
+        });
+        var expected = config.specReporter.prefixes;
+        var newSpecReporter = createSpecReporter(config);
+        newSpecReporter.prefixes.success.should.equal(expected.success);
+        newSpecReporter.prefixes.failure.should.equal(expected.failure);
+        newSpecReporter.prefixes.skipped.should.equal(expected.skipped);
+      });
     });
     describe('and colors are not defined', function () {
       var newSpecReporter;