diff --git a/src/search.cpp b/src/search.cpp
index 633f9b51..767ea238 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -828,8 +828,8 @@ Value Search::Worker::search(
         return qsearch<PV>(pos, ss, alpha, beta);
 
     // For cutNodes without a ttMove, we decrease depth by 2 if depth is high enough.
-    if (cutNode && depth >= 8 && !ttMove)
-        depth -= 2;
+    if (cutNode && depth >= 8 && (!ttMove || tte->bound() == BOUND_UPPER))
+        depth -= 1 + !ttMove;
 
     // Step 11. ProbCut (~10 Elo)
     // If we have a good enough capture (or queen promotion) and a reduced search returns a value