diff --git a/apis/filesystem/src/test/java/org/jclouds/filesystem/FilesystemAsyncBlobStoreTest.java b/apis/filesystem/src/test/java/org/jclouds/filesystem/FilesystemAsyncBlobStoreTest.java
index ccbfbf6930..ce8095deba 100644
--- a/apis/filesystem/src/test/java/org/jclouds/filesystem/FilesystemAsyncBlobStoreTest.java
+++ b/apis/filesystem/src/test/java/org/jclouds/filesystem/FilesystemAsyncBlobStoreTest.java
@@ -650,7 +650,7 @@ public class FilesystemAsyncBlobStoreTest {
         assertNotNull(metadata.getUserMetadata(), "No blob UserMetadata");
         assertEquals(metadata.getUserMetadata().size(), 0, "Wrong blob UserMetadata");
         // metadata.getLastModified()
-        File file = new File(TARGET_CONTAINER_NAME + File.separator + BLOB_KEY);
+        File file = new File(TARGET_CONTAINER_NAME, BLOB_KEY);
         assertEquals(metadata.getContentMetadata().getContentLength(), Long.valueOf(file.length()), "Wrong blob size");
     }