diff --git a/src/BlogBuilder.cxx b/src/BlogBuilder.cxx
index d653b42..c63b9d3 100644
--- a/src/BlogBuilder.cxx
+++ b/src/BlogBuilder.cxx
@@ -23,6 +23,7 @@
 
 #include <regex>
 #include <iostream>
+#include <cstring>
 
 #include "Article.hxx"
 #include "WebsiteBuilder.hxx"