diff --git a/meteor/client/lib/boot2docker.js b/meteor/client/lib/boot2docker.js
index 36c44ad89d..9b4b34a512 100644
--- a/meteor/client/lib/boot2docker.js
+++ b/meteor/client/lib/boot2docker.js
@@ -23,7 +23,7 @@ Boot2Docker.exec = function (command, callback) {
 
 Boot2Docker.exists = function (callback) {
   this.exec(['info'], function (stderr, stdout, code) {
-    if (stderr) {
+    if (code) {
       callback(null, false);
     } else {
       callback(null, true);
@@ -280,4 +280,4 @@ Boot2Docker.waitWhileStatus = function (status, callback) {
   }, function (err) {
     callback(err);
   });
-};
\ No newline at end of file
+};
diff --git a/meteor/client/lib/imageutil.js b/meteor/client/lib/imageutil.js
index db7cfc7442..84d7a9e4ba 100644
--- a/meteor/client/lib/imageutil.js
+++ b/meteor/client/lib/imageutil.js
@@ -29,21 +29,11 @@ var getImageJSON = function (directory) {
 };
 
 ImageUtil.getMetaData = function (directory) {
-  var kiteJSON = getImageJSON(directory);
-  if (kiteJSON) {
-    if (!kiteJSON.name) {
-      kiteJSON.name = _.last(directory.split(path.sep));
-    }
-    if (!kiteJSON.version) {
-      kiteJSON.version = 'latest';
-    }
-  } else {
-    kiteJSON = {
-      name: _.last(directory.split(path.sep)),
-      version: 'latest'
-    };
-  }
-  return kiteJSON;
+  var ret = {
+    name: _.last(directory.split(path.sep)).replace(/\s+/g, '-').toLowerCase(),
+    version: 'latest'
+  };
+  return ret;
 };
 
 ImageUtil.rebuildHelper = function (image, callback) {
@@ -171,7 +161,7 @@ ImageUtil.build = function (image, callback) {
         buildLogs: []
       }
     });
-    Docker.client().buildImage(tarFilePath, {forcerm: true, t: image.meta.name + ':' + image.meta.version}, function (err, response) {
+    Docker.client().buildImage(tarFilePath, {forcerm: true, t: image.tags}, function (err, response) {
       if (err) { callback(err); return; }
       console.log('Building Docker image...');
       response.setEncoding('utf8');
@@ -196,7 +186,7 @@ ImageUtil.build = function (image, callback) {
           console.error(e);
         }
         var imageData = null;
-        Docker.getImageData(image.meta.name + ':' + image.meta.version, function (err, data) {
+        Docker.getImageData(image.tags, function (err, data) {
           if (err) {
             console.error(err);
             Images.update(image._id, {
diff --git a/meteor/client/views/dashboard/components/modal-create-image.js b/meteor/client/views/dashboard/components/modal-create-image.js
index d9107cab69..6180063083 100755
--- a/meteor/client/views/dashboard/components/modal-create-image.js
+++ b/meteor/client/views/dashboard/components/modal-create-image.js
@@ -48,7 +48,17 @@ Template.modalCreateImage.events({
     };
     var imageMetaData = ImageUtil.getMetaData(directory);
     imageObj.meta = imageMetaData;
+
+    var count = 2;
     imageObj.tags = [imageMetaData.name + ':' + imageMetaData.version];
+    while (Images.findOne({tags: imageObj.tags})) {
+      imageObj.meta = {
+        name: imageMetaData.name + '-' + count,
+        version: imageMetaData.version
+      };
+      imageObj.tags = [imageMetaData.name + '-' + count + ':' + imageMetaData.version];
+      count++;
+    }
     var imageId = Images.insert(imageObj);
 
     $('#modal-create-image').modal('hide');