diff --git a/bin/tadah.cpp b/bin/tadah.cpp
index 8fdc39625984099cf1e69df49a637375e8147b1d..1511b75ca39ac1b4913947ab25eefb3b195d395a 100644
--- a/bin/tadah.cpp
+++ b/bin/tadah.cpp
@@ -11,7 +11,9 @@
 #include "../MLIP/nn_finder.h"
 #include "../MLIP/analytics/analytics.h"
 #include "../MLIP/version.h"
+#ifdef TADAH_ENABLE_HPO
 #include "../HPO/hpo.h"
+#endif
 
 #include <iostream>
 #include <stdexcept>