diff --git a/pdns/dnsdistdist/dnsdist-configuration-yaml.cc b/pdns/dnsdistdist/dnsdist-configuration-yaml.cc
index 3719c2dfa932..2407b35a26b9 100644
--- a/pdns/dnsdistdist/dnsdist-configuration-yaml.cc
+++ b/pdns/dnsdistdist/dnsdist-configuration-yaml.cc
@@ -49,6 +49,8 @@
 #include "dnsdist-configuration-yaml-internal.hh"
 
 #include <boost/uuid/string_generator.hpp>
+#include <variant>
+
 #endif /* HAVE_YAML_CONFIGURATION */
 
 namespace dnsdist::configuration::yaml