diff --git a/XmlSchemaClassGenerator.Console/Program.cs b/XmlSchemaClassGenerator.Console/Program.cs
index f2bfabe2..86a5ea09 100644
--- a/XmlSchemaClassGenerator.Console/Program.cs
+++ b/XmlSchemaClassGenerator.Console/Program.cs
@@ -53,6 +53,7 @@ static void Main(string[] args)
             var supportedCommentLanguages = new[] { "en", "de" };
             var uniqueTypeNamesAcrossNamespaces = false;
             var createGeneratedCodeAttributeVersion = true;
+            var netCoreSpecificCode = false;
 
             var options = new OptionSet {
                 { "h|help", "show this message and exit", v => showHelp = v != null },
@@ -124,6 +125,7 @@ A file name may be given by appending a pipe sign (|) followed by a file name (l
                     v => commentLanguages = v.Split(',').Select(l => l.Trim()).ToArray() },
                 { "un|uniqueTypeNames", "generate type names that are unique across namespaces (default is false)", v => uniqueTypeNamesAcrossNamespaces = v != null },
                 { "gc|generatedCodeAttribute", "add version information to GeneratedCodeAttribute (default is true)", v => createGeneratedCodeAttributeVersion = v != null },
+                { "nc|netCore", "generate .NET Core specific code that might not work with .NET Framework (default is false)", v => netCoreSpecificCode = v != null },
             };
 
             var globsAndUris = options.Parse(args);
@@ -197,7 +199,8 @@ A file name may be given by appending a pipe sign (|) followed by a file name (l
                 SeparateSubstitutes = separateSubstitutes,
                 CompactTypeNames = compactTypeNames,
                 UniqueTypeNamesAcrossNamespaces = uniqueTypeNamesAcrossNamespaces,
-                CreateGeneratedCodeAttributeVersion = createGeneratedCodeAttributeVersion
+                CreateGeneratedCodeAttributeVersion = createGeneratedCodeAttributeVersion,
+                NetCoreSpecificCode = netCoreSpecificCode
             };
 
             generator.CommentLanguages.AddRange(commentLanguages);
diff --git a/XmlSchemaClassGenerator.Tests/Compiler.cs b/XmlSchemaClassGenerator.Tests/Compiler.cs
index a23fa052..0782576c 100644
--- a/XmlSchemaClassGenerator.Tests/Compiler.cs
+++ b/XmlSchemaClassGenerator.Tests/Compiler.cs
@@ -111,7 +111,8 @@ public static Assembly GenerateFiles(string name, IEnumerable<string> files, Gen
                 SeparateSubstitutes = generatorPrototype.SeparateSubstitutes,
                 CompactTypeNames = generatorPrototype.CompactTypeNames,
                 UniqueTypeNamesAcrossNamespaces = generatorPrototype.UniqueTypeNamesAcrossNamespaces,
-                CreateGeneratedCodeAttributeVersion = generatorPrototype.CreateGeneratedCodeAttributeVersion
+                CreateGeneratedCodeAttributeVersion = generatorPrototype.CreateGeneratedCodeAttributeVersion,
+                NetCoreSpecificCode = generatorPrototype.NetCoreSpecificCode
             };
 
             gen.CommentLanguages.Clear();
diff --git a/XmlSchemaClassGenerator.Tests/XmlTests.cs b/XmlSchemaClassGenerator.Tests/XmlTests.cs
index 107e4028..6b3e1ae1 100644
--- a/XmlSchemaClassGenerator.Tests/XmlTests.cs
+++ b/XmlSchemaClassGenerator.Tests/XmlTests.cs
@@ -55,7 +55,8 @@ private static IEnumerable<string> ConvertXml(string name, IEnumerable<string> x
                 MemberVisitor = generatorPrototype.MemberVisitor,
                 CodeTypeReferenceOptions = generatorPrototype.CodeTypeReferenceOptions,
                 DoNotForceIsNullable = generatorPrototype.DoNotForceIsNullable,
-                CreateGeneratedCodeAttributeVersion = generatorPrototype.CreateGeneratedCodeAttributeVersion
+                CreateGeneratedCodeAttributeVersion = generatorPrototype.CreateGeneratedCodeAttributeVersion,
+                NetCoreSpecificCode = generatorPrototype.NetCoreSpecificCode
             };
 
             gen.CommentLanguages.Clear();
@@ -310,7 +311,8 @@ public void TestSimple()
                 GenerateInterfaces = true,
                 NamespacePrefix = "Simple",
                 GenerateDescriptionAttribute = true,
-                CodeTypeReferenceOptions = CodeTypeReferenceOptions.GlobalReference
+                CodeTypeReferenceOptions = CodeTypeReferenceOptions.GlobalReference,
+                NetCoreSpecificCode = true
             });
             TestSamples("Simple", SimplePattern);
         }
diff --git a/XmlSchemaClassGenerator/CodeUtilities.cs b/XmlSchemaClassGenerator/CodeUtilities.cs
index 4af5c042..3589f0e5 100644
--- a/XmlSchemaClassGenerator/CodeUtilities.cs
+++ b/XmlSchemaClassGenerator/CodeUtilities.cs
@@ -178,6 +178,7 @@ public static Type GetEffectiveType(this XmlSchemaDatatype type, GeneratorConfig
             {
                 XmlTypeCode.AnyAtomicType => typeof(string),// union
                 XmlTypeCode.AnyUri or XmlTypeCode.GDay or XmlTypeCode.GMonth or XmlTypeCode.GMonthDay or XmlTypeCode.GYear or XmlTypeCode.GYearMonth => typeof(string),
+                XmlTypeCode.Duration => configuration.NetCoreSpecificCode ? type.ValueType : typeof(string),
                 XmlTypeCode.Time => typeof(DateTime),
                 XmlTypeCode.Idref => typeof(string),
                 XmlTypeCode.Integer or XmlTypeCode.NegativeInteger or XmlTypeCode.NonNegativeInteger or XmlTypeCode.NonPositiveInteger or XmlTypeCode.PositiveInteger => GetIntegerDerivedType(type, configuration, restrictions),
diff --git a/XmlSchemaClassGenerator/Generator.cs b/XmlSchemaClassGenerator/Generator.cs
index e699f368..8bb4690e 100644
--- a/XmlSchemaClassGenerator/Generator.cs
+++ b/XmlSchemaClassGenerator/Generator.cs
@@ -282,6 +282,12 @@ public bool CreateGeneratedCodeAttributeVersion
             set { _configuration.CreateGeneratedCodeAttributeVersion = value; }
         }
 
+        public bool NetCoreSpecificCode
+        {
+            get { return _configuration.NetCoreSpecificCode; }
+            set { _configuration.NetCoreSpecificCode = value; }
+        }
+
         static Generator()
         {
             Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
diff --git a/XmlSchemaClassGenerator/GeneratorConfiguration.cs b/XmlSchemaClassGenerator/GeneratorConfiguration.cs
index 63230155..80e79d7b 100644
--- a/XmlSchemaClassGenerator/GeneratorConfiguration.cs
+++ b/XmlSchemaClassGenerator/GeneratorConfiguration.cs
@@ -295,5 +295,14 @@ public void WriteLog(string message)
         /// Adds version information to <see cref="System.CodeDom.Compiler.GeneratedCodeAttribute"/>. Default is true.
         /// </summary>
         public bool CreateGeneratedCodeAttributeVersion { get; set; } = true;
+
+        /// <summary>
+        /// Generate code that works with .NET Core but might be incompatible with .NET Framework. Default is false.
+        /// Specific differences:
+        /// <list type="bullet">
+        /// <item>Use <see cref="TimeSpan"/> for duration instead of string <see cref="string"/></item>
+        /// </list>
+        /// </summary>
+        public bool NetCoreSpecificCode { get; set; }
     }
 }