diff --git a/authentication/sourceTest/java/ch/systemsx/cisd/authentication/DefaultSessionManagerTest.java b/authentication/sourceTest/java/ch/systemsx/cisd/authentication/DefaultSessionManagerTest.java
index 3bc3544ea5e8cab704b940e23d6e667df8cbd75c..49ed128308047bf3a65cbbec351939d38c1864ac 100644
--- a/authentication/sourceTest/java/ch/systemsx/cisd/authentication/DefaultSessionManagerTest.java
+++ b/authentication/sourceTest/java/ch/systemsx/cisd/authentication/DefaultSessionManagerTest.java
@@ -292,7 +292,7 @@ public class DefaultSessionManagerTest
         context.assertIsSatisfied();
     }
 
-    @Test
+    @Test(invocationCount = 10)
     public void testSessionRemoval()
     {
         final String user = "bla";