diff --git a/src/search.cpp b/src/search.cpp
index fb5a2f003c7..3f882aabdf5 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1001,7 +1001,7 @@ Value Search::Worker::search(
                 // Futility pruning: parent node (~13 Elo)
                 if (!ss->inCheck && lmrDepth < 15 && futilityValue <= alpha)
                 {
-                    if (bestValue <= futilityValue && abs(bestValue) < VALUE_TB_WIN_IN_MAX_PLY
+                    if (bestValue <= futilityValue && std::abs(bestValue) < VALUE_TB_WIN_IN_MAX_PLY
                         && futilityValue < VALUE_TB_WIN_IN_MAX_PLY)
                         bestValue = (bestValue + futilityValue * 3) / 4;
                     continue;