diff --git a/Source/Core/InputCommon/Src/ControllerInterface/ControllerInterface.cpp b/Source/Core/InputCommon/Src/ControllerInterface/ControllerInterface.cpp
index a995ae415a..e6f2f508d2 100644
--- a/Source/Core/InputCommon/Src/ControllerInterface/ControllerInterface.cpp
+++ b/Source/Core/InputCommon/Src/ControllerInterface/ControllerInterface.cpp
@@ -18,7 +18,10 @@
 
 #include "Thread.h"
 
-#define INPUT_DETECT_THRESHOLD			0.85f
+namespace
+{
+const float INPUT_DETECT_THRESHOLD = 0.65f;
+}
 
 ControllerInterface g_controller_interface;