diff --git a/src/node-swagger-generator/lib/generation.ts b/src/node-swagger-generator/lib/generation.ts
index f0b9b7e..6705cc7 100644
--- a/src/node-swagger-generator/lib/generation.ts
+++ b/src/node-swagger-generator/lib/generation.ts
@@ -11,7 +11,7 @@ import {
     IAbstractedType, IType, ITyped, IImportedType,
     IDefinition, IProperty,
     IAbstractedTypeConverter,
-    SchemaLessAbstractedType, ArrayAbstractedType, BuiltinAbstractedType, CustomAbstractedType, FileAbstractedType, MapAbstractedType, GenericAbstractedType, ImportedAbstractedType
+    VoidAbstractedType, SchemaLessAbstractedType, ArrayAbstractedType, BuiltinAbstractedType, CustomAbstractedType, FileAbstractedType, MapAbstractedType, GenericAbstractedType, ImportedAbstractedType
 } from './typing';
 
 //import servicesVersion = ts.servicesVersion;
@@ -681,6 +681,9 @@ class GenericTypeConverter implements IAbstractedTypeConverter<IAbstractedType>{
     constructor(private contextBuilder: ContextBuilder) {
     }
 
+    voidTypeConvert(type: VoidAbstractedType): IAbstractedType {
+        return type;
+    }
     schemaLessTypeConvert(type: SchemaLessAbstractedType): IAbstractedType {
         return type;
     }
diff --git a/src/node-swagger-generator/lib/languages/csharp.ts b/src/node-swagger-generator/lib/languages/csharp.ts
index c23a12e..309ee10 100644
--- a/src/node-swagger-generator/lib/languages/csharp.ts
+++ b/src/node-swagger-generator/lib/languages/csharp.ts
@@ -4,7 +4,7 @@ import {
     IAbstractedType, IType, ITyped, IImportedType,
     IDefinition, IProperty,
     IAbstractedTypeConverter,
-    SchemaLessAbstractedType, ArrayAbstractedType, BuiltinAbstractedType, CustomAbstractedType, FileAbstractedType, MapAbstractedType, GenericAbstractedType, ImportedAbstractedType
+    VoidAbstractedType, SchemaLessAbstractedType, ArrayAbstractedType, BuiltinAbstractedType, CustomAbstractedType, FileAbstractedType, MapAbstractedType, GenericAbstractedType, ImportedAbstractedType
 } from '../typing';
 import swagger = require('swagger-parser');
 import _ = require('lodash');
@@ -35,6 +35,10 @@ class CSharpAbstractedTypeConverter implements IAbstractedTypeConverter<IType> {
 
     }
 
+    voidTypeConvert(type: VoidAbstractedType): CSharpType {
+        return CSharpType.void();
+    }
+
     schemaLessTypeConvert(type: SchemaLessAbstractedType): CSharpType {
         return CSharpType.any;
     }
@@ -94,6 +98,7 @@ class CSharpType implements IType {
     isArray: boolean;
     itemType: CSharpType;
     isFile: boolean;
+    isVoid: boolean;
     isGeneric: boolean;
     genericArguments: CSharpType[];
     isDictionary: boolean;
@@ -124,6 +129,15 @@ class CSharpType implements IType {
     public static any: CSharpType = new CSharpType('object', null, true, false, false, false, false);
     public static file: CSharpType = new CSharpType('IFile', null, true, false, false, false, true);
     public static dateTimeOffset: CSharpType = new CSharpType('DateTimeOffset', null, true, false, false, false, false);
+    private static _void: CSharpType;
+
+    public static void(){
+        if (!CSharpType._void){
+            CSharpType._void = new CSharpType('void', null, true, false, false, false, false);
+            CSharpType._void.isVoid = true;
+        }
+        return CSharpType._void;
+    }
 
     public static ambient(name: string, namespace: string): CSharpType {
         var type = new CSharpType(name.replace('<>', ""), null, true, false, false, false, false);
diff --git a/src/node-swagger-generator/lib/languages/typescript.ts b/src/node-swagger-generator/lib/languages/typescript.ts
index 736e1f9..d7109c3 100644
--- a/src/node-swagger-generator/lib/languages/typescript.ts
+++ b/src/node-swagger-generator/lib/languages/typescript.ts
@@ -4,7 +4,7 @@ import {
     IAbstractedType, IType, ITyped, IImportedType,
     IDefinition, IProperty,
     IAbstractedTypeConverter,
-    SchemaLessAbstractedType, ArrayAbstractedType, BuiltinAbstractedType, CustomAbstractedType, FileAbstractedType, MapAbstractedType, GenericAbstractedType, ImportedAbstractedType
+    VoidAbstractedType, SchemaLessAbstractedType, ArrayAbstractedType, BuiltinAbstractedType, CustomAbstractedType, FileAbstractedType, MapAbstractedType, GenericAbstractedType, ImportedAbstractedType
 } from '../typing';
 import swagger = require('swagger-parser');
 import _ = require('lodash');
@@ -35,6 +35,10 @@ class TypescriptAbstractedTypeConverter implements IAbstractedTypeConverter<ITyp
 
     }
 
+    voidTypeConvert(type: VoidAbstractedType): TypescriptType {
+        return TypescriptType.void();
+    }
+
     schemaLessTypeConvert(type: SchemaLessAbstractedType): TypescriptType {
         return TypescriptType.any;
     }
@@ -94,6 +98,7 @@ class TypescriptType implements IType {
     isArray: boolean;
     itemType: TypescriptType;
     isFile: boolean;
+    isVoid: boolean;
     isGeneric: boolean;
     genericArguments: TypescriptType[];
     isDictionary: boolean;
@@ -123,6 +128,15 @@ class TypescriptType implements IType {
     public static boolean: TypescriptType = new TypescriptType('boolean', null, true, false, false, false, false);
     public static any: TypescriptType = new TypescriptType('any', null, true, false, false, false, false);
     public static file: TypescriptType = new TypescriptType('Uint8Array', null, true, false, false, false, true);
+    private static _void: TypescriptType;
+
+    public static void(){
+        if (!TypescriptType._void){
+            TypescriptType._void = new TypescriptType('void', null, true, false, false, false, false);
+            TypescriptType._void.isVoid = true;
+        }
+        return TypescriptType._void;
+    }
 
     public static ambient(name: string, namespace: string): TypescriptType {
         var type = new TypescriptType(name.replace('<>', ""), null, true, false, false, false, false);
diff --git a/src/node-swagger-generator/lib/typing.ts b/src/node-swagger-generator/lib/typing.ts
index c62b60a..6604606 100644
--- a/src/node-swagger-generator/lib/typing.ts
+++ b/src/node-swagger-generator/lib/typing.ts
@@ -16,6 +16,7 @@ export interface ITyped {
 }
 
 export interface IAbstractedTypeConverter<T> {
+    voidTypeConvert(type: SchemaLessAbstractedType): T;
     schemaLessTypeConvert(type: SchemaLessAbstractedType): T;
     mapTypeConvert(type: MapAbstractedType): T;
     builtinTypeConvert(type: BuiltinAbstractedType): T;
@@ -62,6 +63,12 @@ export interface IDefinition extends IExtensible {
 }
 
 
+export class VoidAbstractedType implements IAbstractedType {
+    convert<T>(converter: IAbstractedTypeConverter<T>): T {
+        return converter.voidTypeConvert(this);
+    }
+}
+
 export class SchemaLessAbstractedType implements IAbstractedType {
     convert<T>(converter: IAbstractedTypeConverter<T>): T {
         return converter.schemaLessTypeConvert(this);
diff --git a/src/node-swagger-generator/templates/csharp/netstandard/1.3/_task.hbs b/src/node-swagger-generator/templates/csharp/netstandard/1.3/_task.hbs
new file mode 100644
index 0000000..39b3fe1
--- /dev/null
+++ b/src/node-swagger-generator/templates/csharp/netstandard/1.3/_task.hbs
@@ -0,0 +1,6 @@
+{{#if type.isVoid}}
+Task
+{{/if}}
+{{#unless type.isVoid}}
+Task<{{> type }}>
+{{/unless}}
\ No newline at end of file
diff --git a/src/node-swagger-generator/templates/csharp/netstandard/1.3/client.hbs b/src/node-swagger-generator/templates/csharp/netstandard/1.3/client.hbs
index 5f4df18..b042b68 100644
--- a/src/node-swagger-generator/templates/csharp/netstandard/1.3/client.hbs
+++ b/src/node-swagger-generator/templates/csharp/netstandard/1.3/client.hbs
@@ -65,7 +65,7 @@ namespace {{options.rootNamespace}} {
             });
         {{/if}}
 
-            Func<CancellationToken, Task<{{> type successResponse.[0]}}>> executeRequest = async (ct) =>
+            Func<CancellationToken, {{> task successResponse.[0]}}> executeRequest = async (ct) =>
             {
                 var message = new HttpRequestMessage();
                 message.RequestUri = new Uri(uri, UriKind.Absolute);
@@ -97,7 +97,9 @@ namespace {{options.rootNamespace}} {
                 var response = await httpClient.SendAsync(message, ct);
 
                 if (response.IsSuccessStatusCode){
-                    return await this.TransformResponseAsync<{{> type successResponse.[0]}}>(response);
+                    {{#unless successResponse.[0].type.isVoid}}
+                        return await this.TransformResponseAsync<{{> type successResponse.[0]}}>(response);
+                    {{/unless}}
                 } else {
                     {{#if @root.options.operation.onError.useOKSchema}}
                         throw await this.MapToException<{{> type successResponse.[0]}}>(response);