diff --git a/src/search.cpp b/src/search.cpp
index abb5116d2cf..163df7b4ec4 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -863,7 +863,7 @@ namespace {
           ss->excludedMove = MOVE_NONE;
 
           if (value < rBeta)
-              ext = ONE_PLY;
+              ext = rBeta >= beta ? ONE_PLY + ONE_PLY / 2 : ONE_PLY;
       }
 
       // Update current move (this must be done after singular extension search)