diff --git a/src/Symfony/Component/Routing/Loader/YamlFileLoader.php b/src/Symfony/Component/Routing/Loader/YamlFileLoader.php
index b3ed099f8149..71503e4dc8f8 100644
--- a/src/Symfony/Component/Routing/Loader/YamlFileLoader.php
+++ b/src/Symfony/Component/Routing/Loader/YamlFileLoader.php
@@ -152,29 +152,36 @@ protected function parseImport(RouteCollection $collection, array $config, $path
         $this->setCurrentDir(dirname($path));
 
         $subCollection = $this->import($config['resource'], $type, false, $file);
-        /* @var $subCollection RouteCollection */
-        $subCollection->addPrefix($prefix);
-        if (null !== $host) {
-            $subCollection->setHost($host);
+        
+        if (!is_array($subCollection)) {
+            $subCollection = array($subCollection);
         }
-        if (null !== $condition) {
-            $subCollection->setCondition($condition);
-        }
-        if (null !== $schemes) {
-            $subCollection->setSchemes($schemes);
-        }
-        if (null !== $methods) {
-            $subCollection->setMethods($methods);
-        }
-        $subCollection->addDefaults($defaults);
-        $subCollection->addRequirements($requirements);
-        $subCollection->addOptions($options);
 
-        if (isset($config['name_prefix'])) {
-            $subCollection->addNamePrefix($config['name_prefix']);
-        }
+        /* @var $value RouteCollection */
+        foreach ($subCollection as $value) {
+            $value->addPrefix($prefix);
+            if (null !== $host) {
+                $value->setHost($host);
+            }
+            if (null !== $condition) {
+                $value->setCondition($condition);
+            }
+            if (null !== $schemes) {
+                $value->setSchemes($schemes);
+            }
+            if (null !== $methods) {
+                $value->setMethods($methods);
+            }
+            $value->addDefaults($defaults);
+            $value->addRequirements($requirements);
+            $value->addOptions($options);
 
-        $collection->addCollection($subCollection);
+            if (isset($config['name_prefix'])) {
+                $value->addNamePrefix($config['name_prefix']);
+            }
+
+            $collection->addCollection($value);
+        }
     }
 
     /**