diff --git a/libs/s3-utils.js b/libs/s3-utils.js
index bc90056..630597b 100644
--- a/libs/s3-utils.js
+++ b/libs/s3-utils.js
@@ -69,14 +69,19 @@
       return deferred.reject(err);
     });
     req.on("response", function(res) {
+      var data;
+      data = '';
       if (res.statusCode === 404) {
         console.warn("No object found at " + path + ".");
         return deferred.resolve({});
       } else if (res.statusCode === 200) {
-        return res.on('data', function(chunk) {
+        res.on('data', function(chunk) {
+          return data += chunk;
+        });
+        return res.on('end', function() {
           var e, obj;
           try {
-            obj = JSON.parse(chunk);
+            obj = JSON.parse(data);
             return deferred.resolve(obj);
           } catch (_error) {
             e = _error;
diff --git a/src/s3-utils.coffee b/src/s3-utils.coffee
index aa4ac19..e30552a 100644
--- a/src/s3-utils.coffee
+++ b/src/s3-utils.coffee
@@ -48,7 +48,7 @@ exports.downloadObject = (path, client, timeoutMillis = 1000*30) =>
     deferred.reject err
 
   req.on "response", (res) =>
-    data = undefined
+    data = ''
     if res.statusCode is 404
       console.warn "No object found at #{path}."
       deferred.resolve {}