diff --git a/src/position.cpp b/src/position.cpp
index d0cad3e7f..1551eb9df 100644
--- a/src/position.cpp
+++ b/src/position.cpp
@@ -858,6 +858,10 @@ DirtyPiece Position::do_move(Move                      m,
             st->minorPieceKey ^= Zobrist::psq[pc][from] ^ Zobrist::psq[pc][to];
     }
 
+    // If en passant is impossible, then k will not change and we can prefetch earlier
+    if (tt && !checkEP)
+        prefetch(tt->first_entry(adjust_key50(k)));
+
     // Set capture piece
     st->capturedPiece = captured;