diff --git a/developer_manual/conf.py b/developer_manual/conf.py
index d59fcc510..a2958eb1c 100644
--- a/developer_manual/conf.py
+++ b/developer_manual/conf.py
@@ -183,7 +183,7 @@ latex_elements = {
 #'pointsize': '10pt',
 
 # Additional stuff for the LaTeX preamble.
-#'preamble': '',
+'preamble': '\extrafloats{100}\maxdeadcycles=500',
 }
 
 # Grouping the document tree into LaTeX files. List of tuples