diff --git a/src/DepthSearchAI.hpp b/src/DepthSearchAI.hpp
index f051383..b1e5d60 100644
--- a/src/DepthSearchAI.hpp
+++ b/src/DepthSearchAI.hpp
@@ -74,7 +74,7 @@ namespace PkmnLibAI {
                 if (move.GetValue()->GetRemainingUses() == 0) {
                     continue;
                 }
-                threadPool.push_back(std::async([=] {
+                threadPool.push_back(std::async([this, battle, side, moveIndex, depth] {
                     auto v = std::tuple(moveIndex, SimulateTurn(battle, side->GetSideIndex(), 0, moveIndex, depth));
                     asThreadCleanup();
                     return v;
@@ -89,7 +89,7 @@ namespace PkmnLibAI {
                 if (mon.GetValue()->IsFainted()) {
                     continue;
                 }
-                threadPool.push_back(std::async([=] {
+                threadPool.push_back(std::async([this, battle, side, i, depth] {
                     auto v = std::tuple((u8)(i + 4), SimulateTurn(battle, side->GetSideIndex(), 0, i + 4, depth));
                     asThreadCleanup();
                     return v;
@@ -141,6 +141,9 @@ namespace PkmnLibAI {
             auto target = GetOppositeIndex(user);
             if (index < 4) {
                 auto move = user->GetMoves()[index];
+                if (!move.HasValue()) {
+                    return std::numeric_limits<float>::min();
+                }
                 auto choice = new CreatureLib::Battling::AttackTurnChoice(user, move.GetValue(), target);
                 if (!battle->TrySetChoice(choice)) {
                     delete choice;