diff --git a/src/search.cpp b/src/search.cpp
index 68a578cd..4d4653bb 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -354,7 +354,7 @@ void init_search() {
 
   // Init futility margins array
   for (d = 1; d < 16; d++) for (mc = 0; mc < 64; mc++)
-      FutilityMarginsMatrix[d][mc] = 112 * int(log(double(d * d) / 2) / log(2.0) + 1) - 8 * mc + 45;
+      FutilityMarginsMatrix[d][mc] = 112 * int(log(double(d * d) / 2) / log(2.0) + 1.001) - 8 * mc + 45;
 
   // Init futility move count array
   for (d = 0; d < 32; d++)