diff --git a/core/lib/Thelia/Core/Template/Assets/AssetManagerInterface.php b/core/lib/Thelia/Core/Template/Assets/AssetManagerInterface.php
index dbeec3759..205ce59ee 100644
--- a/core/lib/Thelia/Core/Template/Assets/AssetManagerInterface.php
+++ b/core/lib/Thelia/Core/Template/Assets/AssetManagerInterface.php
@@ -43,6 +43,7 @@ interface AssetManagerInterface {
      * Generates assets from $asset_path in $output_path, using $filters.
      *
      * @param          $assetSource
+     * @param          $assetDirectoryBase
      * @param          $webAssetsDirectoryBase
      * @param          $webAssetsTemplate
      * @param          $webAssetsKey
@@ -60,5 +61,5 @@ interface AssetManagerInterface {
      * @internal param string $asset_type the asset type: css, js, ... The generated files will have this extension. Pass an empty string to use the asset source extension.
      * @return string                    The URL to the generated asset file.
      */
-    public function processAsset($assetSource, $webAssetsDirectoryBase, $webAssetsTemplate, $webAssetsKey, $outputUrl, $assetType, $filters, $debug);
+    public function processAsset($assetSource, $assetDirectoryBase, $webAssetsDirectoryBase, $webAssetsTemplate, $webAssetsKey, $outputUrl, $assetType, $filters, $debug);
 }
\ No newline at end of file
diff --git a/core/lib/Thelia/Core/Template/Assets/AsseticAssetManager.php b/core/lib/Thelia/Core/Template/Assets/AsseticAssetManager.php
index f3c2dad09..8df9de584 100755
--- a/core/lib/Thelia/Core/Template/Assets/AsseticAssetManager.php
+++ b/core/lib/Thelia/Core/Template/Assets/AsseticAssetManager.php
@@ -273,6 +273,7 @@ class AsseticAssetManager implements AssetManagerInterface
      * Generates assets from $asset_path in $output_path, using $filters.
      *
      * @param          $assetSource
+     * @param          $assetDirectoryBase
      * @param  string  $webAssetsDirectoryBase the full path to the asset file (or file collection, e.g. *.less)
      *
      * @param  string  $webAssetsTemplate      the full disk path to the base assets output directory in the web space
@@ -286,11 +287,13 @@ class AsseticAssetManager implements AssetManagerInterface
      *
      * @return string                    The URL to the generated asset file.
      */
-    public function processAsset($assetSource, $webAssetsDirectoryBase, $webAssetsTemplate, $webAssetsKey, $outputUrl, $assetType, $filters, $debug)
+    public function processAsset($assetSource, $assetDirectoryBase, $webAssetsDirectoryBase, $webAssetsTemplate, $webAssetsKey, $outputUrl, $assetType, $filters, $debug)
     {
         $assetName = basename($assetSource);
         $inputDirectory = realpath(dirname($assetSource));
 
+        $assetFileDirectoryInAssetDirectory = trim(str_replace(array($assetDirectoryBase, $assetName), '', $assetSource), DS);
+
         $am = new AssetManager();
         $fm = new FilterManager();
 
@@ -318,21 +321,24 @@ class AsseticAssetManager implements AssetManagerInterface
 
         $assetTargetFilename = $asset->getTargetPath();
 
-        // This is the final name of the generated asset
-        $assetDestinationPath = $outputDirectory . DS . $assetTargetFilename;
+        /*
+         * This is the final name of the generated asset
+         * We preserve file structure intending to keep - for example - relative css links working
+         */
+        $assetDestinationPath = $outputDirectory . DS . $assetFileDirectoryInAssetDirectory . DS . $assetTargetFilename;
 
         Tlog::getInstance()->addDebug("Asset destination full path: $assetDestinationPath");
 
         // We generate an asset only if it does not exists, or if the asset processing is forced in development mode
         if (! file_exists($assetDestinationPath) || ($this->debugMode && ConfigQuery::read('process_assets', true)) ) {
 
-            $writer = new AssetWriter($outputDirectory);
+            $writer = new AssetWriter($outputDirectory . DS . $assetFileDirectoryInAssetDirectory);
 
-            Tlog::getInstance()->addDebug("Writing asset to $outputDirectory");
+            Tlog::getInstance()->addDebug("Writing asset to $outputDirectory . DS . $assetFileDirectoryInAssetDirectory");
 
             $writer->writeAsset($asset);
         }
 
-        return rtrim($outputUrl, '/') . '/' . $outputRelativeWebPath . $assetTargetFilename;
+        return rtrim($outputUrl, DS) . DS . trim($outputRelativeWebPath, DS) . DS . trim($assetFileDirectoryInAssetDirectory, DS) . DS . ltrim($assetTargetFilename, DS);
     }
 }
\ No newline at end of file
diff --git a/core/lib/Thelia/Core/Template/Smarty/Assets/SmartyAssetsManager.php b/core/lib/Thelia/Core/Template/Smarty/Assets/SmartyAssetsManager.php
index 961b480db..3600f3d61 100755
--- a/core/lib/Thelia/Core/Template/Smarty/Assets/SmartyAssetsManager.php
+++ b/core/lib/Thelia/Core/Template/Smarty/Assets/SmartyAssetsManager.php
@@ -37,6 +37,8 @@ class SmartyAssetsManager
     private $web_root;
     private $path_relative_to_web_root;
 
+    static private $assetsDirectory = null;
+
     /**
      * Creates a new SmartyAssetsManager instance
      *
@@ -54,6 +56,7 @@ class SmartyAssetsManager
 
     public function prepareAssets($assets_directory, \Smarty_Internal_Template $template)
     {
+        self::$assetsDirectory = $assets_directory;
         $smartyParser = $template->smarty;
         $templateDefinition = $smartyParser->getTemplateDefinition();
         switch($templateDefinition->getType()) {
@@ -62,7 +65,7 @@ class SmartyAssetsManager
                 if(isset($frontOfficeTemplateDirectories[$templateDefinition->getName()])) {
                     /* create assets foreach directory : main @ modules */
                     foreach($frontOfficeTemplateDirectories[$templateDefinition->getName()] as $key => $directory) {
-                        $tpl_path = $directory . DS . $assets_directory;
+                        $tpl_path = $directory . DS . self::$assetsDirectory;
                         $asset_dir_absolute_path = realpath($tpl_path);
                         if(false !== $asset_dir_absolute_path) {
                             $this->assetsManager->prepareAssets(
@@ -81,7 +84,7 @@ class SmartyAssetsManager
                 if(isset($backOfficeTemplateDirectories[$templateDefinition->getName()])) {
                     /* create assets foreach directory : main @ modules */
                     foreach($backOfficeTemplateDirectories[$templateDefinition->getName()] as $key => $directory) {
-                        $tpl_path = $directory . DS . $assets_directory;
+                        $tpl_path = $directory . DS . self::$assetsDirectory;
                         $asset_dir_absolute_path = realpath($tpl_path);
                         if(false !== $asset_dir_absolute_path) {
                             $this->assetsManager->prepareAssets(
@@ -104,7 +107,7 @@ class SmartyAssetsManager
 
 //        $tpl_dir = dirname($template->source->filepath);
 //
-//        $tpl_path = $tpl_dir . DS . $assets_directory;
+//        $tpl_path = $tpl_dir . DS . self::$assetsDirectory;
 //        $asset_dir_absolute_path = realpath($tpl_path);
 //        if ($asset_dir_absolute_path === false) {
 //            /* no assets for current template */
@@ -176,6 +179,7 @@ class SmartyAssetsManager
 
         $url = $this->assetsManager->processAsset(
             $assetSource . DS . $file,
+            $assetSource . DS . self::$assetsDirectory,
             $this->web_root . $this->path_relative_to_web_root,
             $templateDefinition->getPath(),
             $assetOrigin,