diff --git a/bin/tadah_cli.cpp b/bin/tadah_cli.cpp
index 74298be9013b6f0b5ef662178c0a9cf7f669fdf4..c0c363db03715a586efbb1f46064786afb81c293 100644
--- a/bin/tadah_cli.cpp
+++ b/bin/tadah_cli.cpp
@@ -17,6 +17,7 @@
 
 #ifdef TADAH_ENABLE_HPO
 #include <tadah/hpo/hpo.h>
+#include <tadah/hpo/hpo_worker.h>
 #endif
 
 #include <iostream>