diff --git a/roles/dhcpd/tasks/main.yml b/roles/dhcpd/tasks/main.yml
index 134b4ed..7909f30 100644
--- a/roles/dhcpd/tasks/main.yml
+++ b/roles/dhcpd/tasks/main.yml
@@ -23,7 +23,9 @@
     server_uri: "ldaps://{{ ldap_server[0] }}"
   delegate_to: localhost
   register: ldap_hosts
-  when: dhcpd_ldap_filter is defined
+  when:
+    - dhcpd_ldap_filter is defined
+    - dhcpd_ldap_filter != ""
 
 - name: Create config
   ansible.builtin.template: