diff --git a/toonz/sources/toonzlib/preferences.cpp b/toonz/sources/toonzlib/preferences.cpp
index 5f73e5d..bc6c8b6 100644
--- a/toonz/sources/toonzlib/preferences.cpp
+++ b/toonz/sources/toonzlib/preferences.cpp
@@ -216,7 +216,7 @@ Preferences::Preferences()
     , m_defLevelWidth(0.0)
     , m_defLevelHeight(0.0)
     , m_defLevelDpi(0.0)
-    , m_iconSize(160, 120)
+    , m_iconSize(160, 90)
     , m_blankColor(TPixel32::White)
     , m_frontOnionColor(TPixel::Black)
     , m_backOnionColor(TPixel::Black)