diff --git a/spec/defines/listen_on_spec.rb b/spec/defines/listen_on_spec.rb
index bcc5776..616e8d0 100644
--- a/spec/defines/listen_on_spec.rb
+++ b/spec/defines/listen_on_spec.rb
@@ -17,6 +17,11 @@
             .with_target('named.conf.options')
             .with_order('11')
             .with_address_match_list('127.0.0.1')
+
+          is_expected.to contain_concat__fragment('bind::named.conf.options::listen-on')
+            .with_target('named.conf.options')
+            .with_order('11')
+            .with_content("  listen-on { 127.0.0.1; };\n\n")
         }
       end
 
@@ -30,6 +35,11 @@
             .with_target('named.conf.options')
             .with_order('12')
             .with_address_match_list('127.0.0.1')
+
+          is_expected.to contain_concat__fragment('bind::named.conf.options::listen-on port 53')
+            .with_target('named.conf.options')
+            .with_order('12')
+            .with_content("  listen-on port 53 { 127.0.0.1; };\n\n")
         }
       end
 
diff --git a/spec/defines/listen_on_v6_spec.rb b/spec/defines/listen_on_v6_spec.rb
index 7138845..1b39258 100644
--- a/spec/defines/listen_on_v6_spec.rb
+++ b/spec/defines/listen_on_v6_spec.rb
@@ -17,6 +17,11 @@
             .with_target('named.conf.options')
             .with_order('13')
             .with_address_match_list('::1')
+
+          is_expected.to contain_concat__fragment('bind::named.conf.options::listen-on-v6')
+            .with_target('named.conf.options')
+            .with_order('13')
+            .with_content("  listen-on-v6 { ::1; };\n\n")
         }
       end
 
@@ -30,6 +35,11 @@
             .with_target('named.conf.options')
             .with_order('14')
             .with_address_match_list('::1')
+
+          is_expected.to contain_concat__fragment('bind::named.conf.options::listen-on-v6 port 53')
+            .with_target('named.conf.options')
+            .with_order('14')
+            .with_content("  listen-on-v6 port 53 { ::1; };\n\n")
         }
       end