diff --git a/code/templates/main.html b/code/templates/main.html
index f160a02a9..01f23bcaa 100644
--- a/code/templates/main.html
+++ b/code/templates/main.html
@@ -20,7 +20,13 @@
                     <p style='float: right; text-align: right'>International Organization for Standardization</p>
                     <p>ISO 16739-1:2023(E)</p>
                 {% else %}
-                    <p>{{ spec_version_string_full }} ({{ schema_version_string }})
+                    <img class="logo" src="https://raw.githubusercontent.com/buildingSMART/IFC4.3.x-development/master/docs/assets/img/IFC4x3-logo1.1-wide.png" width="100" style="
+                        display: inline-flex;
+                        padding-bottom: 0px;
+                        padding-top: 0px;
+                        float: left;
+                    ">
+                    <p style="display: inline-block; vertical-align: top;">{{ spec_version_string_full }} ({{ schema_version_string }})
                         {% if is_package %}
                             <small>official</small>
                         {% else %}