diff --git a/Makefile b/Makefile
index d748fe56..cdbcd63c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 PY?=python3
 PELICAN?=pelican
-PELICANOPTS=
+PELICANOPTS=--fatal warnings
 
 BASEDIR=$(CURDIR)
 INPUTDIR=$(BASEDIR)/content