diff --git a/tasks/configure_disclaimer.yml b/tasks/configure_disclaimer.yml
index c64b1d7..2fc6727 100644
--- a/tasks/configure_disclaimer.yml
+++ b/tasks/configure_disclaimer.yml
@@ -39,6 +39,14 @@
   pip:
     name: git+ssh://git@repos.susurrando.com:1122/srv/git.repos/mail_processor.git
 
+- name: Ensure filter user can write disclaimer log
+  file:
+    path: /var/log/mail_processor.log
+    owner: filter
+    group: postfix
+    mode: 0660
+    state: touch
+
 - name: Compress stored incoming messages labeler logs
   shell: find /var/spool/filter/ -maxdepth 1 -type f -iname in.\*.log -exec bzip2 -z9 {} \;