diff --git a/debian/plinth.doc-base b/debian/plinth.doc-base
index ae85f500d..12d0b8a5e 100644
--- a/debian/plinth.doc-base
+++ b/debian/plinth.doc-base
@@ -12,5 +12,5 @@ Abstract: web front end for administering every aspect of a FreedomBox
 Section: Network/Communication
 
 Format: HTML
-Index: /usr/share/doc/plinth/freedombox-manual.html
+Index: /usr/share/doc/plinth/freedombox-manual.part.html
 Files: /usr/share/doc/plinth/*