diff --git a/smartgears/catalogue_ws/tasks/main.yml b/smartgears/catalogue_ws/tasks/main.yml
index c53e6ea5..c5e80609 100644
--- a/smartgears/catalogue_ws/tasks/main.yml
+++ b/smartgears/catalogue_ws/tasks/main.yml
@@ -5,6 +5,7 @@
       with_items:
         - '{{ smartgears_instance_path }}/webapps/{{ catalogue_ws_name }}'
         - '{{ smartgears_instance_path }}/webapps/{{ catalogue_ws_name }}.{{ catalogue_ws_extension }}'
+      notify: Restart smartgears
 
   become: True
   become_user: '{{ d4science_user }}'
@@ -14,6 +15,11 @@
 - block:
     - name: Get the catalogue-ws
       maven_artifact: artifact_id={{ catalogue_ws_name }} version={{ catalogue_ws_version | default(omit) }} group_id={{ catalogue_ws_group_id }} extension={{ catalogue_ws_extension | default('war') }} repository_url={{ smartgears_global_base_url }} dest={{ smartgears_downloads_dir }}/{{ catalogue_ws_file }}
+      register: catalogue_ws_download
+
+    - name: Remove the old catalogue ws files
+      file: path={{ smartgears_instance_path }}/webapps/{{ catalogue_ws_name }} state=absent
+      when: ( catalogue_ws_download | changed )
   
     - name: Copy the catalogue ws war into the tomcat webapps directory
       copy: src={{ smartgears_downloads_dir }}/{{ catalogue_ws_file }} dest={{ smartgears_instance_path }}/webapps/{{ catalogue_ws_name }}.{{ catalogue_ws_extension }} remote_src=yes force=yes