diff --git a/src/position.cpp b/src/position.cpp
index aad03c2e..d01df777 100644
--- a/src/position.cpp
+++ b/src/position.cpp
@@ -991,7 +991,7 @@ std::ostream& operator<<(std::ostream& os, const Position& position) {
     return os;
 }
 
-bool Position::is_reversible(Move move) {
+bool Position::is_reversible(Move move) const {
     return !(move.is_capture() || move.is_promotion() || move.is_castle()
              || (m_board[move.from()].ptype() == PieceType::Pawn));
 }
diff --git a/src/position.hpp b/src/position.hpp
index f3df59bf..58a12ae1 100644
--- a/src/position.hpp
+++ b/src/position.hpp
@@ -305,7 +305,7 @@ struct Position {
 
     [[nodiscard]] u16 get_50mr_counter() const;
 
-    [[nodiscard]] bool is_reversible(Move move);
+    [[nodiscard]] bool is_reversible(Move move) const;
 
     const std::array<Wordboard, 2> calc_attacks_slow();
     const std::array<PieceMask, 2> calc_attacks_slow(Square sq);
diff --git a/src/search.cpp b/src/search.cpp
index 10fce35a..5ef56ecf 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -579,7 +579,7 @@ Value Worker::search(
 
                 ss->cont_hist_entry = &m_td.history.get_cont_hist_entry(pos, m);
                 Position pos_after  = pos.move(m, m_td.push_psqt_state(), &m_searcher.tt);
-                repetition_info.push(pos_after.get_hash_key(), pos_after.is_reversible(m));
+                repetition_info.push(pos_after.get_hash_key(), pos.is_reversible(m));
 
                 Value probcut_value = -quiesce<IS_MAIN, false>(pos_after, ss + 1, -probcut_beta,
                                                                -probcut_beta + 1, ply + 1);
@@ -740,7 +740,7 @@ Value Worker::search(
         moves_played++;
 
         // Put hash into repetition table. TODO: encapsulate this and any other future adjustment to do "on move" into a proper function
-        repetition_info.push(pos_after.get_hash_key(), pos_after.is_reversible(m));
+        repetition_info.push(pos_after.get_hash_key(), pos.is_reversible(m));
 
         // Get search value
         Depth new_depth = depth - 1 + extension;
@@ -1066,7 +1066,7 @@ Value Worker::quiesce(const Position& pos, Stack* ss, Value alpha, Value beta, i
         moves.skip_quiets();
 
         // Put hash into repetition table. TODO: encapsulate this and any other future adjustment to do "on move" into a proper function
-        repetition_info.push(pos_after.get_hash_key(), pos_after.is_reversible(m));
+        repetition_info.push(pos_after.get_hash_key(), pos.is_reversible(m));
 
         // Get search value
         Value value = -quiesce<IS_MAIN, PV_NODE>(pos_after, ss + 1, -beta, -alpha, ply + 1);