diff --git a/roles/keycloak/templates/standalone-ha.xml.j2 b/roles/keycloak/templates/standalone-ha.xml.j2
index e3b62ea..f108d2d 100644
--- a/roles/keycloak/templates/standalone-ha.xml.j2
+++ b/roles/keycloak/templates/standalone-ha.xml.j2
@@ -139,7 +139,7 @@
                     <validation>
                         <check-valid-connection-sql>{{ keycloak_jdbc[keycloak_jdbc_engine].validate_query }}</check-valid-connection-sql>
                         <validate-on-match>{{ keycloak_db_background_validate_on_match }}</validate-on-match>
-{% if keycloak_db_background_validation_millis > 0  or keycloak_db_background_validation %}
+{% if keycloak_db_background_validation_millis | int > 0 or keycloak_db_background_validation %}
                         <background-validation>{{ keycloak_db_background_validation }}</background-validation>
                         <background-validation-millis>{{ keycloak_db_background_validation_millis }}</background-validation-millis>
 {% endif %}
diff --git a/roles/keycloak/templates/standalone-infinispan.xml.j2 b/roles/keycloak/templates/standalone-infinispan.xml.j2
index c1590cd..0d052ed 100644
--- a/roles/keycloak/templates/standalone-infinispan.xml.j2
+++ b/roles/keycloak/templates/standalone-infinispan.xml.j2
@@ -139,7 +139,7 @@
                     <validation>
                         <check-valid-connection-sql>{{ keycloak_jdbc[keycloak_jdbc_engine].validate_query }}</check-valid-connection-sql>
                         <validate-on-match>{{ keycloak_db_background_validate_on_match }}</validate-on-match>
-{% if keycloak_db_background_validation_millis > 0  or keycloak_db_background_validation %}
+{% if keycloak_db_background_validation_millis | int > 0 or keycloak_db_background_validation %}
                         <background-validation>{{ keycloak_db_background_validation }}</background-validation>
                         <background-validation-millis>{{ keycloak_db_background_validation_millis }}</background-validation-millis>
 {% endif %}
diff --git a/roles/keycloak/templates/standalone.xml.j2 b/roles/keycloak/templates/standalone.xml.j2
index 4e5aa05..bf2d528 100644
--- a/roles/keycloak/templates/standalone.xml.j2
+++ b/roles/keycloak/templates/standalone.xml.j2
@@ -126,7 +126,7 @@
                     <validation>
                         <check-valid-connection-sql>{{ keycloak_jdbc[keycloak_jdbc_engine].validate_query }}</check-valid-connection-sql>
                         <validate-on-match>{{ keycloak_db_background_validate_on_match }}</validate-on-match>
-{% if keycloak_db_background_validation_millis > 0  or keycloak_db_background_validation %}
+{% if keycloak_db_background_validation_millis | int > 0 or keycloak_db_background_validation %}
                         <background-validation>{{ keycloak_db_background_validation }}</background-validation>
                         <background-validation-millis>{{ keycloak_db_background_validation_millis }}</background-validation-millis>
 {% endif %}