diff --git a/moment-precise-range.js b/moment-precise-range.js
index 2ee611e..b3c2474 100644
--- a/moment-precise-range.js
+++ b/moment-precise-range.js
@@ -1,5 +1,5 @@
 if (typeof moment === "undefined" && require) {
-    moment = require('moment');
+    var moment = require('moment');
 }
 
 (function(moment) {
@@ -55,9 +55,9 @@ if (typeof moment === "undefined" && require) {
 
     moment.preciseDiff = function(d1, d2, returnValueObject) {
         var m1 = moment(d1), m2 = moment(d2), firstDateWasLater;
-        
+
         m1.add(m2.utcOffset() - m1.utcOffset(), 'minutes'); // shift timezone of m1 to m2
-        
+
         if (m1.isSame(m2)) {
             return STRINGS.nodiff;
         }
diff --git a/package.json b/package.json
index 4b4b5de..03f6269 100644
--- a/package.json
+++ b/package.json
@@ -17,11 +17,15 @@
     "type": "git",
     "url": "git+https://github.com/codebox/moment-precise-range.git"
   },
-  "tonicExampleFilename" : "example/example.js",
+  "tonicExampleFilename": "example/example.js",
   "author": "Rob Dawson <rob@codebox.org.uk> (http://codebox.org.uk)",
   "license": "MIT",
   "bugs": {
     "url": "https://github.com/codebox/moment-precise-range/issues"
   },
-  "homepage": "https://github.com/codebox/moment-precise-range#readme"
+  "homepage": "https://github.com/codebox/moment-precise-range#readme",
+  "devDependencies": {
+    "jasmine": "^2.5.0",
+    "moment": "^2.14.1"
+  }
 }
diff --git a/test/tests/moment-precise-range-test.js b/test/tests/moment-precise-range-test.js
index c3fe363..afd564a 100644
--- a/test/tests/moment-precise-range-test.js
+++ b/test/tests/moment-precise-range-test.js
@@ -1,4 +1,5 @@
 if (typeof require !== "undefined") {
+    var moment = require('moment');
     require('../../moment-precise-range');
 }
 
@@ -100,7 +101,7 @@ describe("preciseDiff", function() {
         it("start month has fewer days than last full month", function() {
             test('2013-04-29 00:00:00+0000', '2013-08-01 00:00:00+0000', '3 months 3 days');
             test('2013-04-30 00:00:00+0000', '2013-08-01 00:00:00+0000', '3 months 2 days');
-            // no way to get '3 months 1 day' to 2013-08-01 
+            // no way to get '3 months 1 day' to 2013-08-01
         });
         it("start month has same days as last full month", function() {
             test('2013-05-30 00:00:00+0000', '2013-08-01 00:00:00+0000', '2 months 2 days');
@@ -170,4 +171,4 @@ describe("preciseDiff", function() {
     });
 
 
-});
\ No newline at end of file
+});