diff --git a/toonz/sources/toonzlib/preferences.cpp b/toonz/sources/toonzlib/preferences.cpp
index 07b234e..acab2fd 100644
--- a/toonz/sources/toonzlib/preferences.cpp
+++ b/toonz/sources/toonzlib/preferences.cpp
@@ -208,9 +208,9 @@ bool Preferences::LevelFormat::matches(const TFilePath &fp) const {
 //**********************************************************************************
 
 Preferences::Preferences()
-    : m_pixelsOnly(true)
-    , m_units("pixel")
-    , m_cameraUnits("pixel")
+    : m_pixelsOnly(false)
+    , m_units("mm")
+    , m_cameraUnits("inch")
     , m_currentRoomChoice("Default")
     , m_scanLevelType("tif")
     , m_defLevelWidth(0.0)