diff --git a/lib/icingadb/icingadb-utility.cpp b/lib/icingadb/icingadb-utility.cpp
index dbf3f7a6e..0d2441f56 100644
--- a/lib/icingadb/icingadb-utility.cpp
+++ b/lib/icingadb/icingadb-utility.cpp
@@ -33,6 +33,7 @@
 #include "base/array.hpp"
 #include "base/scriptglobal.hpp"
 #include "base/convert.hpp"
+#include "base/json.hpp"
 #include <map>
 #include <utility>
 #include <vector>