diff --git a/ClosedXML/Utils/GraphicsUtils.cs b/ClosedXML/Utils/GraphicsUtils.cs
index be2472f..3af3d33 100644
--- a/ClosedXML/Utils/GraphicsUtils.cs
+++ b/ClosedXML/Utils/GraphicsUtils.cs
@@ -20,9 +20,10 @@
             }
         }
 
+        private static StringFormat defaultStringFormat = StringFormat.GenericTypographic;
         public static SizeF MeasureString(string s, Font font)
         {
-            SizeF result = Graphics.MeasureString(s, font, Int32.MaxValue, StringFormat.GenericTypographic);
+            SizeF result = Graphics.MeasureString(s, font, Int32.MaxValue, defaultStringFormat);
             return result;
         }
     }