diff --git a/openbis-ipad/resource/ipad-example-data/config/dss-service.properties b/openbis-ipad/resource/ipad-example-data/config/dss-service.properties
index c784fb8d5e77baa00472d736f8dd0ac5d98b93ef..c415cbbf6124e2b28639f1bd77480611c40ff2c2 100644
--- a/openbis-ipad/resource/ipad-example-data/config/dss-service.properties
+++ b/openbis-ipad/resource/ipad-example-data/config/dss-service.properties
@@ -135,3 +135,5 @@ path-info-db-consistency-check.class = ch.systemsx.cisd.openbis.dss.generic.serv
 #                      INTERNAL CONFIGURATION, 
 # Do not change this part unless you are developing openBIS extensions.
 # ---------------------------------------------------------------------------
+
+jython-version=2.7
diff --git a/openbis-ipad/resource/ipad-example-data/config/openbis-service.properties b/openbis-ipad/resource/ipad-example-data/config/openbis-service.properties
index 0cd33c1e956748eb123f4422ab1f794e1513d9ff..5c957fcf34a91cdb6f7859220f1731875b62878d 100644
--- a/openbis-ipad/resource/ipad-example-data/config/openbis-service.properties
+++ b/openbis-ipad/resource/ipad-example-data/config/openbis-service.properties
@@ -79,3 +79,5 @@ enabled-technologies = ipad-ui
 # for potential cross-site scripting attacks.
 #
 #trusted-cross-origin-domains=
+
+jython-version=2.7