diff --git a/platform/qtplatform.cpp b/platform/qtplatform.cpp
index 4491b8e50e..46f5b1718a 100644
--- a/platform/qtplatform.cpp
+++ b/platform/qtplatform.cpp
@@ -397,7 +397,7 @@ public:
 
   unsigned ScaleEtalonSize() const
   {
-    return 512;
+    return 512 + 256;
   }
 };