diff --git a/default_tune.cpp b/default_tune.cpp
index 26cd070..906f44a 100644
--- a/default_tune.cpp
+++ b/default_tune.cpp
@@ -1,5 +1,5 @@
 #include "pch.h"
 
 void boardTuneDefaults() {
-    engineConfiguration->displacement = 1.7;
+    engineConfiguration->displacement = 1.6;
 }