Index: Riskeer/Common/src/Riskeer.Common.IO/Configurations/ConfigurationSchemaIdentifiers.cs
===================================================================
diff -u -r247659d91db1609d27f3d565203f62bd5b70abcc -r661230a589ec46dcfe7c68806be1c61900755b56
--- Riskeer/Common/src/Riskeer.Common.IO/Configurations/ConfigurationSchemaIdentifiers.cs	(.../ConfigurationSchemaIdentifiers.cs)	(revision 247659d91db1609d27f3d565203f62bd5b70abcc)
+++ Riskeer/Common/src/Riskeer.Common.IO/Configurations/ConfigurationSchemaIdentifiers.cs	(.../ConfigurationSchemaIdentifiers.cs)	(revision 661230a589ec46dcfe7c68806be1c61900755b56)
@@ -32,6 +32,11 @@
         public const string ConfigurationElement = "configuratie";
 
         /// <summary>
+        /// The identifier for version attributes.
+        /// </summary>
+        public const string VersionAttribute = "versie";
+
+        /// <summary>
         /// The identifier for calculation elements.
         /// </summary>
         public const string CalculationElement = "berekening";
Index: Riskeer/Common/src/Riskeer.Common.IO/Configurations/Import/CalculationConfigurationReader.cs
===================================================================
diff -u -r59cc53c1a20db0092694f2ebc8fff6ec08f7f215 -r661230a589ec46dcfe7c68806be1c61900755b56
--- Riskeer/Common/src/Riskeer.Common.IO/Configurations/Import/CalculationConfigurationReader.cs	(.../CalculationConfigurationReader.cs)	(revision 59cc53c1a20db0092694f2ebc8fff6ec08f7f215)
+++ Riskeer/Common/src/Riskeer.Common.IO/Configurations/Import/CalculationConfigurationReader.cs	(.../CalculationConfigurationReader.cs)	(revision 661230a589ec46dcfe7c68806be1c61900755b56)
@@ -114,7 +114,7 @@
 
                 combinedXmlSchemaDefinition.Validate(xmlDocument);
 
-                string versionNumberString = xmlDocument.Element("configuratie").Attribute("versie").Value;
+                string versionNumberString = xmlDocument.Element(ConfigurationSchemaIdentifiers.ConfigurationElement).Attribute(ConfigurationSchemaIdentifiers.VersionAttribute).Value;
                 versionNumber = int.Parse(versionNumberString);
             }
             catch (XmlSchemaValidationException)
Index: Riskeer/Common/test/Riskeer.Common.IO.Test/Configurations/ConfigurationSchemaIdentifiersTest.cs
===================================================================
diff -u -rc4311504aa83ba59c5a7e80c0e9bc26650986c05 -r661230a589ec46dcfe7c68806be1c61900755b56
--- Riskeer/Common/test/Riskeer.Common.IO.Test/Configurations/ConfigurationSchemaIdentifiersTest.cs	(.../ConfigurationSchemaIdentifiersTest.cs)	(revision c4311504aa83ba59c5a7e80c0e9bc26650986c05)
+++ Riskeer/Common/test/Riskeer.Common.IO.Test/Configurations/ConfigurationSchemaIdentifiersTest.cs	(.../ConfigurationSchemaIdentifiersTest.cs)	(revision 661230a589ec46dcfe7c68806be1c61900755b56)
@@ -31,6 +31,7 @@
         public void ConfigurationSchemaIdentifiers_ExpectedValues()
         {
             Assert.AreEqual("configuratie", ConfigurationSchemaIdentifiers.ConfigurationElement);
+            Assert.AreEqual("versie", ConfigurationSchemaIdentifiers.VersionAttribute);
             Assert.AreEqual("berekening", ConfigurationSchemaIdentifiers.CalculationElement);
             Assert.AreEqual("map", ConfigurationSchemaIdentifiers.FolderElement);
             Assert.AreEqual("naam", ConfigurationSchemaIdentifiers.NameAttribute);