diff --git a/source/index.html.md.erb b/source/index.html.md.erb
index 4530120..f7f7de5 100644
--- a/source/index.html.md.erb
+++ b/source/index.html.md.erb
@@ -4,5 +4,5 @@ title: GOV.UK Documentation Example
 
 <%= partial 'documentation/index' %>
 <%= partial 'documentation/agent-journey' %>
-<%= partial 'documentation/business-journey' %>
+<%= partial 'documentation/business-journey.html' %>
 <%= partial 'documentation/process-steps' %>