diff --git a/templates/named.conf.options.j2 b/templates/named.conf.options.j2
index 68f85eb..f59c3b5 100644
--- a/templates/named.conf.options.j2
+++ b/templates/named.conf.options.j2
@@ -303,7 +303,7 @@ tkey-dhkey "{{ option.tkey_dhkey.key_name }}" {{ option.tkey_dhkey.key_tag }};
 {{ ('coresize ' + option.coresize | string +';\n') if option.coresize is defined and option.coresize -}}
 {{ ('datasize ' + option.datasize | string +';\n') if option.datasize is defined and option.datasize -}}
 {{ ('dnssec-update-mode ' + option.dnssec_update_mode | string +';\n') if option.dnssec_update_mode is defined and option.dnssec_update_mode -}}
-{{ ('dnssec-validation ' + option.dnssec_validation | string +';\n') if option.dnssec_validation is defined and option.dnssec_validation -}}
+{{ ('dnssec-validation ' + functions.boolean_or_string(option.dnssec_validation) +';\n') if option.dnssec_validation is defined -}}
 {{ ('files ' + option.files | string +';\n') if option.files is defined and option.files -}}
 {{ ('forward ' + option.forward | string +';\n') if option.forward is defined and option.forward -}}
 {{ ('fstrm-set-output-queue-model ' + option.fstrm_set_output_queue_model | string +';\n') if option.fstrm_set_output_queue_model is defined and option.fstrm_set_output_queue_model -}}
@@ -461,4 +461,4 @@ tkey-dhkey "{{ option.tkey_dhkey.key_name }}" {{ option.tkey_dhkey.key_tag }};
 {{ (functions.boolean_option('use-alt-transfer-source', option.use_alt_transfer_source) + '\n') if option.use_alt_transfer_source is defined -}}
 {{ (functions.boolean_option('zero-no-soa-ttl', option.zero_no_soa_ttl) + '\n') if option.zero_no_soa_ttl is defined -}}
 {{ (functions.boolean_option('zero-no-soa-ttl-cache', option.zero_no_soa_ttl_cache) + '\n') if option.zero_no_soa_ttl_cache is defined -}}
-{% endmacro %}
\ No newline at end of file
+{% endmacro %}