diff --git a/lib/cli/featureutility.cpp b/lib/cli/featureutility.cpp
index 0650bda1f..6f487b421 100644
--- a/lib/cli/featureutility.cpp
+++ b/lib/cli/featureutility.cpp
@@ -25,6 +25,7 @@
 #include <boost/algorithm/string/join.hpp>
 #include <boost/algorithm/string/replace.hpp>
 #include <fstream>
+#include <iostream>
 
 using namespace icinga;