diff --git a/java/org/slub/rosetta/dps/repository/plugin/storage/nfs/TestSLUBStoragePlugin.java b/java/org/slub/rosetta/dps/repository/plugin/storage/nfs/TestSLUBStoragePlugin.java
index dfd4c50f55725294ad90355f901f0bc9acb2fd16..35d753fdeeef88d813b4e17bd005127e76d88895 100644
--- a/java/org/slub/rosetta/dps/repository/plugin/storage/nfs/TestSLUBStoragePlugin.java
+++ b/java/org/slub/rosetta/dps/repository/plugin/storage/nfs/TestSLUBStoragePlugin.java
@@ -137,6 +137,8 @@ public class TestSLUBStoragePlugin {
     catch (BeanInitializationException e) {
       //assertEquals("storeEntity2", "Could not load properties; nested exception is java.io.FileNotFoundException: class path resource [global.properties] cannot be opened because it does not exist", e.getMessage());
     }
+    ioStream.close();
+    isr.close();
   }
   /*
   @Test