diff --git a/datastore_server/sourceTest/java/ch/systemsx/cisd/openbis/dss/generic/server/DatasetDownloadServletTest.java b/datastore_server/sourceTest/java/ch/systemsx/cisd/openbis/dss/generic/server/DatasetDownloadServletTest.java
index 3f28c58c54a877c84e0d3640063b734d09dd7eda..c679b5901187711a278f224f76b2a868759eb159 100644
--- a/datastore_server/sourceTest/java/ch/systemsx/cisd/openbis/dss/generic/server/DatasetDownloadServletTest.java
+++ b/datastore_server/sourceTest/java/ch/systemsx/cisd/openbis/dss/generic/server/DatasetDownloadServletTest.java
@@ -297,6 +297,9 @@ public class DatasetDownloadServletTest
 
                     one(request).getScheme();
                     one(request).getHeader("referer");
+
+                    allowing(request).getParameter("is_link_data");
+                    will(returnValue(null));
                 }
             });
     }
@@ -504,6 +507,8 @@ public class DatasetDownloadServletTest
                     will(returnValue(REQUEST_URI_PREFIX + EXAMPLE_DATA_SET_CODE + "/"
                             + ESCAPED_FILE_NAME_ENCODED));
 
+                    allowing(request).getParameter("is_link_data");
+                    will(returnValue(null));
                     one(response).setContentType("image/png");
                     one(response).setContentLength(84);
                     one(response).addHeader("Cache-Control", "max-age=7200");
@@ -721,6 +726,9 @@ public class DatasetDownloadServletTest
         exp.one(request).getScheme();
         exp.one(request).getHeader("referer");
 
+        exp.allowing(request).getParameter("is_link_data");
+        exp.will(Expectations.returnValue("false"));
+
         // For the logging of problem requests
         Vector<String> parameterNames = new Vector<String>();
         parameterNames.add(AbstractDatasetDownloadServlet.DISPLAY_MODE_PARAM);