diff --git a/Dockerfile b/Dockerfile
index 84f97c37..8fbdecb9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -115,8 +115,9 @@ RUN sed -i -e 's/include_try \/usr\/share\/dovecot\/protocols\.d/include_try \/e
 COPY target/dovecot/dovecot-ldap.conf.ext /etc/dovecot
 COPY target/postfix/ldap-users.cf target/postfix/ldap-groups.cf target/postfix/ldap-aliases.cf target/postfix/ldap-domains.cf /etc/postfix/
 
-# Enables Spamassassin CRON updates
-RUN sed -i -r 's/^(CRON)=0/\1=1/g' /etc/default/spamassassin
+# Enables Spamassassin CRON updates and update hook for supervisor
+RUN sed -i -r 's/^(CRON)=0/\1=1/g' /etc/default/spamassassin && \
+    sed -i -r 's/^\$INIT restart/supervisorctl restart amavis/g' /etc/spamassassin/sa-update-hooks.d/amavisd-new
 
 # Enables Postgrey
 COPY target/postgrey/postgrey /etc/default/postgrey