diff --git a/src/search.cpp b/src/search.cpp
index b47b8b24..0cbe09e0 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -173,7 +173,7 @@ namespace {
 
   // If the TT move is at least SingleReplyMargin better then the
   // remaining ones we will extend it.
-  const Value SingleReplyMargin = Value(0x64);
+  const Value SingleReplyMargin = Value(0x20);
 
   // Margins for futility pruning in the quiescence search, and at frontier
   // and near frontier nodes.