diff --git a/src/search.cpp b/src/search.cpp
index 568e147c..c398b7d2 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1551,7 +1551,7 @@ Value Search::Worker::qsearch(Position& pos, Stack* ss, Value alpha, Value beta)
         if (bestValue >= beta)
         {
             if (std::abs(bestValue) < VALUE_TB_WIN_IN_MAX_PLY)
-                bestValue = (3 * bestValue + beta) / 4;
+                bestValue = (bestValue + beta) / 2;
             if (!ss->ttHit)
                 ttWriter.write(posKey, value_to_tt(bestValue, ss->ply), false, BOUND_LOWER,
                                DEPTH_UNSEARCHED, Move::none(), unadjustedStaticEval,