diff --git a/doc/source/conf.py b/doc/source/conf.py
index 33f6284..8f6a35e 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -231,7 +231,7 @@ latex_elements = {
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
     (master_doc, 'doc-' + target_name + '.tex',
-     title.replace("_", "\_"), author, 'manual'),
+     title.replace("_", r"\_"), author, 'manual'),
 ]
 
 latex_use_xindy = False
diff --git a/templates/systemd-network.j2 b/templates/systemd-network.j2
index 1dd5290..8305dc2 100644
--- a/templates/systemd-network.j2
+++ b/templates/systemd-network.j2
@@ -58,3 +58,8 @@ VXLAN={{ item.1.vxlan }}
 {% if item.1.ipforward is defined %}
 IPForward={{ (item.1.ipforward | bool) | ternary('yes', 'no') }}
 {% endif %}
+
+[Link]
+{% if item.1.mtu is defined %}
+MTUBytes={{ item.1.mtu }}
+{% endif %}
diff --git a/tests/test.yml b/tests/test.yml
index 172ef2b..6fa68cc 100644
--- a/tests/test.yml
+++ b/tests/test.yml
@@ -101,31 +101,31 @@
     - name: Interface check
       assert:
         that:
-          - ansible_dummy0['active'] == true
+          - ansible_dummy0['active']
           - ansible_dummy0['type'] == 'ether'
           - ansible_dummy0['mtu'] == 9000
-          - ansible_dummy1['active'] == true
+          - ansible_dummy1['active']
           - ansible_dummy1['type'] == 'ether'
           - ansible_dummy1['mtu'] == 9000
-          - ansible_dummy2['active'] == true
+          - ansible_dummy2['active']
           - ansible_dummy2['type'] == 'ether'
     - name: Bond check
       assert:
         that:
-          - ansible_bond0['active'] == true
+          - ansible_bond0['active']
           - ansible_bond0['type'] == 'bonding'
           - ansible_bond0['mtu'] == 9000
     - name: Bridge check
       assert:
         that:
-          - ansible_br_dummy['active'] == true
+          - ansible_br_dummy['active']
           - ansible_br_dummy['type'] == 'bridge'
           - ansible_br_dummy['ipv4']['address'] == '10.0.0.100'
           - ansible_br_dummy['ipv4']['netmask'] == '255.255.255.0'
     - name: Bridge check
       assert:
         that:
-          - ansible_br_test['active'] == true
+          - ansible_br_test['active']
           - ansible_br_test['type'] == 'bridge'
           - ansible_br_test['ipv4']['address'] == '10.1.0.1'
           - ansible_br_test['ipv4']['netmask'] == '255.255.255.0'
@@ -159,12 +159,12 @@
       assert:
         that:
           - ansible_br_test is defined
-          - ansible_dummy2['active'] == true
+          - ansible_dummy2['active']
           - ansible_dummy2['type'] == 'ether'
     - name: Bridge check
       assert:
         that:
-          - ansible_br_test['active'] == true
+          - ansible_br_test['active']
           - ansible_br_test['type'] == 'bridge'
           - ansible_br_test['ipv4']['address'] == '10.1.0.1'
           - ansible_br_test['ipv4']['netmask'] == '255.255.255.0'