diff --git a/src/search.cpp b/src/search.cpp
index 5e3e61b2..7cc0542a 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -1164,7 +1164,8 @@ moves_loop: // When in check, search starts from here
     {
         // Quiet best move: update move sorting heuristics
         if (!pos.capture_or_promotion(bestMove))
-            update_quiet_stats(pos, ss, bestMove, quietsSearched, quietCount, stat_bonus(depth));
+            update_quiet_stats(pos, ss, bestMove, quietsSearched, quietCount, 
+							   stat_bonus(depth + (bestValue > beta + PawnValueMg ? ONE_PLY : DEPTH_ZERO)));
         else
             update_capture_stats(pos, bestMove, capturesSearched, captureCount, stat_bonus(depth + ONE_PLY));