diff --git a/src/state_explorer.cpp b/src/state_explorer.cpp
index 5c1dbd1..331f7b6 100644
--- a/src/state_explorer.cpp
+++ b/src/state_explorer.cpp
@@ -397,7 +397,7 @@ namespace Hanabi
 
       if (prompt.find("actions") == 0)
       {
-        std::vector<std::pair<Hanabi::Action, std::optional<boost::rational<Hanabi::probability_base_type>>>> reasonable_actions = game.state->get_reasonable_actions();
+        std::vector<std::pair<Hanabi::Action, std::optional<Hanabi::probability_t>>> reasonable_actions = game.state->get_reasonable_actions();
         std::sort(reasonable_actions.begin(), reasonable_actions.end(),
                   [](std::pair<Hanabi::Action, std::optional<probability_t>> const & left,
                         std::pair<Hanabi::Action, std::optional<probability_t>> const & right){