diff --git a/openbis_all/source/bash/sprint_post_install.sh b/openbis_all/source/bash/sprint_post_install.sh
index 038a63c95676f653dd8c85a5938174a31ef93180..1dbd385f8885fa7a192f06c3c2cbec4410b3f4ce 100755
--- a/openbis_all/source/bash/sprint_post_install.sh
+++ b/openbis_all/source/bash/sprint_post_install.sh
@@ -44,7 +44,7 @@ function add_yeastx_plugin {
 	 echo copying yeastx...
 	 cd ~openbis/config
 	 unzip ~openbis/config/datastore_server_plugin*.zip
-	 mv ~openbis/config/lib/datastore_server-plugins.jar ~openbis/sprint/datastore_server/lib
+	 mv -f ~openbis/config/lib/datastore_server-plugins.jar ~openbis/sprint/datastore_server/lib
 	 rmdir ~openbis/config/lib
 	 rm -f ~openbis/config/datastore_server_plugin*.zip
 }