diff --git a/tests/leaf_data_helpers.hpp b/tests/leaf_data_helpers.hpp
index 0a28ae3..91eb3f2 100644
--- a/tests/leaf_data_helpers.hpp
+++ b/tests/leaf_data_helpers.hpp
@@ -1,4 +1,5 @@
 #include <algorithm>
+#include "ast_values.hpp"
 #include "leaf_data_type.hpp"
 yang::Enum createEnum(const std::initializer_list<const char*>& list)
 {