diff --git a/sdbusplus/asio/object_server.hpp b/sdbusplus/asio/object_server.hpp
index 29c9748..aba453f 100644
--- a/sdbusplus/asio/object_server.hpp
+++ b/sdbusplus/asio/object_server.hpp
@@ -18,6 +18,7 @@
 #include <sdbusplus/server.hpp>
 #include <sdbusplus/utility/tuple_to_array.hpp>
 #include <sdbusplus/utility/type_traits.hpp>
+#include <set>
 
 namespace sdbusplus
 {