diff --git a/AUTHORS b/AUTHORS
index 6f518ec2..a179d273 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -46,6 +46,7 @@ candirufish
 Chess13234
 Chris Cain (ceebo)
 clefrks
+Clemens L. (rn5f107s2)
 Cody Ho (aesrentai)
 Dale Weiler (graphitemaster)
 Daniel Axtens (daxtens)
@@ -183,7 +184,6 @@ Raminder Singh
 renouve
 Reuven Peleg (R-Peleg)
 Richard Lloyd (Richard-Lloyd)
-rn5f107s2
 Robert Nürnberg (robertnurnberg)
 Rodrigo Exterckötter Tjäder
 Rodrigo Roim (roim)
diff --git a/src/search.cpp b/src/search.cpp
index 57e87fb2..c244207d 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -55,7 +55,8 @@ namespace {
 
 // Futility margin
 Value futility_margin(Depth d, bool noTtCutNode, bool improving) {
-    return ((116 - 44 * noTtCutNode) * (d - improving));
+    Value futilityMult = 116 - 44 * noTtCutNode;
+    return (futilityMult * d - 3 * futilityMult / 2 * improving);
 }
 
 constexpr int futility_move_count(bool improving, Depth depth) {