diff --git a/odxtools/templates/macros/printService.xml.jinja2 b/odxtools/templates/macros/printService.xml.jinja2
index 9aa2aa0c..8b507e31 100644
--- a/odxtools/templates/macros/printService.xml.jinja2
+++ b/odxtools/templates/macros/printService.xml.jinja2
@@ -13,7 +13,7 @@
  {{-make_xml_attrib("ADDRESSING", service.addressing_raw.value)}}
  {%- endif %}
  {%- if service.transmission_mode_raw is not none %}
- {{-make_xml_attrib("TRANSMISSION-MODE", service.transmission_mode_raw.value)}}>
+ {{-make_xml_attrib("TRANSMISSION-MODE", service.transmission_mode_raw.value)}}
  {%- endif %}>
   {{pdc.printDiagCommSubtags(service) | indent(1, first=True) }}
   {%- if service.comparam_refs %}