diff --git a/Documentation/conf.py b/Documentation/conf.py
index 792b6338ef197..49c242cf18c55 100644
--- a/Documentation/conf.py
+++ b/Documentation/conf.py
@@ -125,7 +125,7 @@
 #modindex_common_prefix = []
 
 # If true, keep warnings as "system message" paragraphs in the built documents.
-#keep_warnings = False
+keep_warnings = True
 
 # If true, `todo` and `todoList` produce output, else they produce nothing.
 todo_include_todos = False