diff --git a/docs_theme/main.html b/docs_theme/main.html
index 4291adce..7d18ba8d 100644
--- a/docs_theme/main.html
+++ b/docs_theme/main.html
@@ -1,7 +1,7 @@
 {% extends "base.html" %}
 
 {% block search_button %}
-<form class="mkdocs-search" action="search.html">
+<form class="mkdocs-search" action="{{ base_url }}/search.html">
   <input type="text" name="q" placeholder="Search docs" title="Type search term here">
   <button class="icon icon-search" aria-label="submit"></button>
 </form>