diff --git a/src/search.cpp b/src/search.cpp
index 5b9c9bb0..2618b984 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -496,7 +496,7 @@ void Search::Worker::clear() {
     counterMoves.fill(Move::none());
     mainHistory.fill(0);
     captureHistory.fill(0);
-    pawnHistory.fill(-900);
+    pawnHistory.fill(-1100);
     correctionHistory.fill(0);
 
     for (bool inCheck : {false, true})
@@ -1339,7 +1339,7 @@ moves_loop:  // When in check, search starts here
 
         if (type_of(pos.piece_on(prevSq)) != PAWN && ((ss - 1)->currentMove).type_of() != PROMOTION)
             thisThread->pawnHistory[pawn_structure_index(pos)][pos.piece_on(prevSq)][prevSq]
-              << stat_bonus(depth) * bonus * 2;
+              << stat_bonus(depth) * bonus * 4;
     }
 
     if (PvNode)