diff --git a/src/search.cpp b/src/search.cpp
index cf640a0a..6bdf255c 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -646,6 +646,7 @@ namespace {
         && !inCheck
         &&  eval - futility_margin(depth, (ss-1)->futilityMoveCount) >= beta
         &&  abs(beta) < VALUE_MATE_IN_MAX_PLY
+        &&  abs(eval) < VALUE_KNOWN_WIN
         &&  pos.non_pawn_material(pos.side_to_move()))
         return eval - futility_margin(depth, (ss-1)->futilityMoveCount);