diff --git a/programs/witness_node/main.cpp b/programs/witness_node/main.cpp
index d051eed6..8c613067 100644
--- a/programs/witness_node/main.cpp
+++ b/programs/witness_node/main.cpp
@@ -22,6 +22,7 @@
  * THE SOFTWARE.
  */
 #include <graphene/app/application.hpp>
+#include <graphene/app/config_util.hpp>
 
 #include <graphene/witness/witness.hpp>
 #include <graphene/account_history/account_history_plugin.hpp>