diff --git a/engine/src/environments/fairy_state/fairyinputrepresentation.cpp b/engine/src/environments/fairy_state/fairyinputrepresentation.cpp
index 4e1377d2..4665a450 100644
--- a/engine/src/environments/fairy_state/fairyinputrepresentation.cpp
+++ b/engine/src/environments/fairy_state/fairyinputrepresentation.cpp
@@ -5,8 +5,8 @@ using namespace std;
 
 void set_bits_from_bitmap(Bitboard bitboard, size_t channel, float *inputPlanes, Color color) {
     size_t p = 0;
-    while (bitboard != 0) {
-        if (bitboard & 0x1) {
+    while (bitboard != Bitboard(0)) {
+        if (bitboard & Bitboard(0x1)) {
             if (color == WHITE) {
                 int col = std::abs(9-std::floor(p/9));
                 int row = p % 9;
@@ -17,7 +17,7 @@ void set_bits_from_bitmap(Bitboard bitboard, size_t channel, float *inputPlanes,
             }
         }
         // Largeboards use 12 files per rank, xiangqi boards only use 9 files per rank
-        (p+1) % 9 == 0 ? bitboard >>= 4 : bitboard >>= 1;
+        (p+1) % 9 == 0 ? bitboard = bitboard >> 4 : bitboard = bitboard >> 1;
         p++;
     }
 }
diff --git a/engine/src/environments/fairy_state/fairystate.cpp b/engine/src/environments/fairy_state/fairystate.cpp
index d3f4e423..55914629 100644
--- a/engine/src/environments/fairy_state/fairystate.cpp
+++ b/engine/src/environments/fairy_state/fairystate.cpp
@@ -118,7 +118,7 @@ string FairyState::action_to_san(Action action, const std::vector<Action> &legal
 }
 
 Tablebase::WDLScore FairyState::check_for_tablebase_wdl(Tablebase::ProbeState &result) {
-
+	return Tablebase::WDLScoreNone;  // TODO
 }
 
 void FairyState::set_auxiliary_outputs(const float* auxiliaryOutputs) {