node-googlemaps-err-patch

diff --git a/lib/googlemaps.js b/lib/googlemaps.js
index cedb671..edb1189 100644
--- a/lib/googlemaps.js
+++ b/lib/googlemaps.js
@@ -354,10 +354,14 @@ exports.checkAndConvertPoint = function(input) {
 var returnObjectFromJSON = function(callback) {
   if (typeof callback === 'function') {
     return function(err, jsonString) {
-      try {
-        callback(err, JSON.parse(jsonString));
-      } catch (e) {
-        callback(e);
+      if(err) {
+        callback(err);
+      } else {
+        try {
+          callback(err, JSON.parse(jsonString));
+        } catch (e) {
+          callback(e);
+        }
       }
     };
   }