diff --git a/lib/Drupal/configuration/Config/ConfigurationManagement.php b/lib/Drupal/configuration/Config/ConfigurationManagement.php
index 4c10ccc..33695fe 100644
--- a/lib/Drupal/configuration/Config/ConfigurationManagement.php
+++ b/lib/Drupal/configuration/Config/ConfigurationManagement.php
@@ -51,7 +51,7 @@ class ConfigurationManagement {
     // During the install process strema wrappers are to available so this is
     // a work around.
     if (!file_stream_wrapper_get_instance_by_uri($temp_stream)) {
-      $temp_stream = variable_get('configuration_config_path', conf_path() . '/files/config/');
+      $temp_stream = variable_get('configuration_config_path', conf_path() . '/files/config');
     }
     return $temp_stream;
   }
diff --git a/lib/Drupal/configuration/Storage/Storage.php b/lib/Drupal/configuration/Storage/Storage.php
index c72d7b3..3e20a5b 100644
--- a/lib/Drupal/configuration/Storage/Storage.php
+++ b/lib/Drupal/configuration/Storage/Storage.php
@@ -35,7 +35,7 @@ class Storage {
    * in the config:// directory.
    */
   static public function configFileExists($filename) {
-    return file_exists(ConfigurationManagement::getStream() . $filename);
+    return file_exists(ConfigurationManagement::getStream() . '/' . $filename);
   }
 
   /**
@@ -44,7 +44,7 @@ class Storage {
    */
   static public function checkFilePermissions($filename) {
     $dir_path = ConfigurationManagement::getStream();
-    $full_path = $dir_path . $filename;
+    $full_path = $dir_path . '/' . $filename;
     if (is_writable($dir_path) || drupal_chmod($dir_path)) {
       if (file_exists($full_path)) {
         if (is_writable($full_path) || drupal_chmod($full_path)) {
diff --git a/lib/Drupal/configuration/Storage/StoragePhp.php b/lib/Drupal/configuration/Storage/StoragePhp.php
index 19ca61b..39fa2e9 100644
--- a/lib/Drupal/configuration/Storage/StoragePhp.php
+++ b/lib/Drupal/configuration/Storage/StoragePhp.php
@@ -106,14 +106,14 @@ class StoragePhp extends Storage {
 
   public function save() {
     if ($this->checkFilePermissions($this->filename)) {
-      file_put_contents(ConfigurationManagement::getStream() . $this->filename, $this->getDataToSave());
+      file_put_contents(ConfigurationManagement::getStream() . '/' . $this->filename, $this->getDataToSave());
     }
     return $this;
   }
 
   public function delete() {
     if ($this->checkFilePermissions($this->filename)) {
-      file_unmanaged_delete(ConfigurationManagement::getStream() . $this->filename);
+      file_unmanaged_delete(ConfigurationManagement::getStream() . '/' . $this->filename);
     }
     return $this;
   }
@@ -131,11 +131,11 @@ class StoragePhp extends Storage {
       $this->loaded = TRUE;
       if (empty($file_content)) {
         $dir = $source ? $source : ConfigurationManagement::getStream();
-        if (!file_exists($dir . $this->filename)) {
+        if (!file_exists($dir . '/' . $this->filename)) {
           $this->data = NULL;
         }
         else {
-          $file_content = drupal_substr(file_get_contents($dir . $this->filename), 6);
+          $file_content = drupal_substr(file_get_contents($dir . '/' . $this->filename), 6);
         }
       }
       if (!empty($file_content)) {