diff --git a/modules/swagger-codegen/src/main/resources/typescript-node/api.mustache b/modules/swagger-codegen/src/main/resources/typescript-node/api.mustache
index 0e534b1e25d..765bc44a15e 100644
--- a/modules/swagger-codegen/src/main/resources/typescript-node/api.mustache
+++ b/modules/swagger-codegen/src/main/resources/typescript-node/api.mustache
@@ -379,12 +379,12 @@ export class {{classname}} {
 {{/required}}{{/allParams}}
 {{#queryParams}}
         if ({{paramName}} !== undefined) {
-            queryParameters['{{baseName}}'] = ObjectSerializer.serialize({{paramName}}, "{{dataType}}");
+            queryParameters['{{baseName}}'] = ObjectSerializer.serialize({{paramName}}, "{{{dataType}}}");
         }
 
 {{/queryParams}}
 {{#headerParams}}
-        headerParams['{{baseName}}'] = ObjectSerializer.serialize({{paramName}}, "{{dataType}}");
+        headerParams['{{baseName}}'] = ObjectSerializer.serialize({{paramName}}, "{{{dataType}}}");
 {{/headerParams}}
 
         let useFormData = false;
@@ -395,7 +395,7 @@ export class {{classname}} {
             formParams['{{baseName}}'] = {{paramName}};
             {{/isFile}}
             {{^isFile}}
-            formParams['{{baseName}}'] = ObjectSerializer.serialize({{paramName}}, "{{dataType}}");
+            formParams['{{baseName}}'] = ObjectSerializer.serialize({{paramName}}, "{{{dataType}}}");
             {{/isFile}}
         }
 {{#isFile}}
@@ -416,7 +416,7 @@ export class {{classname}} {
             encoding: null,
 {{/isResponseFile}}
 {{#bodyParam}}
-            body: ObjectSerializer.serialize({{paramName}}, "{{dataType}}")
+            body: ObjectSerializer.serialize({{paramName}}, "{{{dataType}}}")
 {{/bodyParam}}
         };
 
@@ -439,7 +439,7 @@ export class {{classname}} {
                     reject(error);
                 } else {
                     {{#returnType}}
-                    body = ObjectSerializer.deserialize(body, "{{returnType}}");
+                    body = ObjectSerializer.deserialize(body, "{{{returnType}}}");
                     {{/returnType}}
                     if (response.statusCode >= 200 && response.statusCode <= 299) {
                         resolve({ response: response, body: body });
diff --git a/samples/client/petstore/typescript-node/default/.swagger-codegen/VERSION b/samples/client/petstore/typescript-node/default/.swagger-codegen/VERSION
index 7fea99011a6..f9f7450d135 100644
--- a/samples/client/petstore/typescript-node/default/.swagger-codegen/VERSION
+++ b/samples/client/petstore/typescript-node/default/.swagger-codegen/VERSION
@@ -1 +1 @@
-2.2.3-SNAPSHOT
\ No newline at end of file
+2.3.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-node/default/api.ts b/samples/client/petstore/typescript-node/default/api.ts
index 89b6cfb6421..e3df99e6ef9 100644
--- a/samples/client/petstore/typescript-node/default/api.ts
+++ b/samples/client/petstore/typescript-node/default/api.ts
@@ -593,7 +593,7 @@ export class PetApi {
 
 
         if (status !== undefined) {
-            queryParameters['status'] = ObjectSerializer.serialize(status, "Array&lt;string&gt;");
+            queryParameters['status'] = ObjectSerializer.serialize(status, "Array<string>");
         }
 
 
@@ -624,7 +624,7 @@ export class PetApi {
                 if (error) {
                     reject(error);
                 } else {
-                    body = ObjectSerializer.deserialize(body, "Array&lt;Pet&gt;");
+                    body = ObjectSerializer.deserialize(body, "Array<Pet>");
                     if (response.statusCode >= 200 && response.statusCode <= 299) {
                         resolve({ response: response, body: body });
                     } else {
@@ -647,7 +647,7 @@ export class PetApi {
 
 
         if (tags !== undefined) {
-            queryParameters['tags'] = ObjectSerializer.serialize(tags, "Array&lt;string&gt;");
+            queryParameters['tags'] = ObjectSerializer.serialize(tags, "Array<string>");
         }
 
 
@@ -678,7 +678,7 @@ export class PetApi {
                 if (error) {
                     reject(error);
                 } else {
-                    body = ObjectSerializer.deserialize(body, "Array&lt;Pet&gt;");
+                    body = ObjectSerializer.deserialize(body, "Array<Pet>");
                     if (response.statusCode >= 200 && response.statusCode <= 299) {
                         resolve({ response: response, body: body });
                     } else {
@@ -1306,7 +1306,7 @@ export class UserApi {
             uri: localVarPath,
             useQuerystring: this._useQuerystring,
             json: true,
-            body: ObjectSerializer.serialize(body, "Array&lt;User&gt;")
+            body: ObjectSerializer.serialize(body, "Array<User>")
         };
 
         this.authentications.default.applyToRequest(requestOptions);
@@ -1354,7 +1354,7 @@ export class UserApi {
             uri: localVarPath,
             useQuerystring: this._useQuerystring,
             json: true,
-            body: ObjectSerializer.serialize(body, "Array&lt;User&gt;")
+            body: ObjectSerializer.serialize(body, "Array<User>")
         };
 
         this.authentications.default.applyToRequest(requestOptions);
diff --git a/samples/client/petstore/typescript-node/npm/.swagger-codegen/VERSION b/samples/client/petstore/typescript-node/npm/.swagger-codegen/VERSION
index 7fea99011a6..f9f7450d135 100644
--- a/samples/client/petstore/typescript-node/npm/.swagger-codegen/VERSION
+++ b/samples/client/petstore/typescript-node/npm/.swagger-codegen/VERSION
@@ -1 +1 @@
-2.2.3-SNAPSHOT
\ No newline at end of file
+2.3.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-node/npm/api.ts b/samples/client/petstore/typescript-node/npm/api.ts
index 89b6cfb6421..e3df99e6ef9 100644
--- a/samples/client/petstore/typescript-node/npm/api.ts
+++ b/samples/client/petstore/typescript-node/npm/api.ts
@@ -593,7 +593,7 @@ export class PetApi {
 
 
         if (status !== undefined) {
-            queryParameters['status'] = ObjectSerializer.serialize(status, "Array&lt;string&gt;");
+            queryParameters['status'] = ObjectSerializer.serialize(status, "Array<string>");
         }
 
 
@@ -624,7 +624,7 @@ export class PetApi {
                 if (error) {
                     reject(error);
                 } else {
-                    body = ObjectSerializer.deserialize(body, "Array&lt;Pet&gt;");
+                    body = ObjectSerializer.deserialize(body, "Array<Pet>");
                     if (response.statusCode >= 200 && response.statusCode <= 299) {
                         resolve({ response: response, body: body });
                     } else {
@@ -647,7 +647,7 @@ export class PetApi {
 
 
         if (tags !== undefined) {
-            queryParameters['tags'] = ObjectSerializer.serialize(tags, "Array&lt;string&gt;");
+            queryParameters['tags'] = ObjectSerializer.serialize(tags, "Array<string>");
         }
 
 
@@ -678,7 +678,7 @@ export class PetApi {
                 if (error) {
                     reject(error);
                 } else {
-                    body = ObjectSerializer.deserialize(body, "Array&lt;Pet&gt;");
+                    body = ObjectSerializer.deserialize(body, "Array<Pet>");
                     if (response.statusCode >= 200 && response.statusCode <= 299) {
                         resolve({ response: response, body: body });
                     } else {
@@ -1306,7 +1306,7 @@ export class UserApi {
             uri: localVarPath,
             useQuerystring: this._useQuerystring,
             json: true,
-            body: ObjectSerializer.serialize(body, "Array&lt;User&gt;")
+            body: ObjectSerializer.serialize(body, "Array<User>")
         };
 
         this.authentications.default.applyToRequest(requestOptions);
@@ -1354,7 +1354,7 @@ export class UserApi {
             uri: localVarPath,
             useQuerystring: this._useQuerystring,
             json: true,
-            body: ObjectSerializer.serialize(body, "Array&lt;User&gt;")
+            body: ObjectSerializer.serialize(body, "Array<User>")
         };
 
         this.authentications.default.applyToRequest(requestOptions);