Index: Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/LimitedPrecisionHelper.cs
===================================================================
diff -u -r35db69dfe64b7e7deeaf9ef85d4df42ff6009b11 -r0cdb24eee9b746ab5d21381ca51c6836dd460292
--- Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/LimitedPrecisionHelper.cs	(.../LimitedPrecisionHelper.cs)	(revision 35db69dfe64b7e7deeaf9ef85d4df42ff6009b11)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/LimitedPrecisionHelper.cs	(.../LimitedPrecisionHelper.cs)	(revision 0cdb24eee9b746ab5d21381ca51c6836dd460292)
@@ -35,7 +35,7 @@
         /// </summary>
         public static double GetAccuracy(this RoundedDouble roundedDouble)
         {
-            return Math.Pow(10.0, -roundedDouble.NumberOfDecimalPlaces);
+            return 0.5 * Math.Pow(10.0, -roundedDouble.NumberOfDecimalPlaces);
         }
 
         /// <summary>
@@ -52,7 +52,7 @@
         /// </summary>
         public static double GetAccuracy(this RoundedPoint2DCollection collection)
         {
-            return Math.Pow(10.0, -collection.NumberOfDecimalPlaces);
+            return 0.5 * Math.Pow(10.0, -collection.NumberOfDecimalPlaces);
         }
     }
 }
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