diff --git a/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/AbstractCSharpCodegen.java b/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/AbstractCSharpCodegen.java
index 40ee5cf99bb..f892af70c6d 100644
--- a/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/AbstractCSharpCodegen.java
+++ b/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/AbstractCSharpCodegen.java
@@ -355,12 +355,16 @@ public Map<String, Object> postProcessModels(Map<String, Object> objs) {
             Map<String, Object> mo = (Map<String, Object>) _mo;
             CodegenModel cm = (CodegenModel) mo.get("model");
             for (CodegenProperty var : cm.vars) {
+                String paramName = toParamName(var.name);
+
                 // check to see if model name is same as the property name
                 // which will result in compilation error
                 // if found, prepend with _ to workaround the limitation
                 if (var.name.equalsIgnoreCase(cm.name)) {
                     var.name = "_" + var.name;
+                    paramName = "_" + paramName;
                 }
+                var.vendorExtensions.put("x-parameter-name", paramName);
             }
         }
         // process enum in models
diff --git a/modules/swagger-codegen/src/main/resources/csharp/modelGeneric.mustache b/modules/swagger-codegen/src/main/resources/csharp/modelGeneric.mustache
index 99e0b090143..b59c743b38f 100644
--- a/modules/swagger-codegen/src/main/resources/csharp/modelGeneric.mustache
+++ b/modules/swagger-codegen/src/main/resources/csharp/modelGeneric.mustache
@@ -49,26 +49,26 @@
         /// </summary>
         {{#vars}}
         {{^isReadOnly}}
-        /// <param name="{{#lambda.camelcase_param}}{{name}}{{/lambda.camelcase_param}}">{{#description}}{{description}}{{/description}}{{^description}}{{#lambda.camelcase_param}}{{name}}{{/lambda.camelcase_param}}{{/description}}{{#required}} (required){{/required}}{{#defaultValue}} (default to {{defaultValue}}){{/defaultValue}}.</param>
+        /// <param name="{{vendorExtensions.x-parameter-name}}">{{#description}}{{description}}{{/description}}{{^description}}{{vendorExtensions.x-parameter-name}}{{/description}}{{#required}} (required){{/required}}{{#defaultValue}} (default to {{defaultValue}}){{/defaultValue}}.</param>
         {{/isReadOnly}}
         {{/vars}}
     {{#hasOnlyReadOnly}}
         [JsonConstructorAttribute]
     {{/hasOnlyReadOnly}}
-        public {{classname}}({{#readWriteVars}}{{{datatypeWithEnum}}}{{#isEnum}}{{^isContainer}}{{^required}}?{{/required}}{{/isContainer}}{{/isEnum}} {{#lambda.camelcase_param}}{{name}}{{/lambda.camelcase_param}} = {{#defaultValue}}{{{defaultValue}}}{{/defaultValue}}{{^defaultValue}}default({{{datatypeWithEnum}}}{{#isEnum}}{{^isContainer}}{{^required}}?{{/required}}{{/isContainer}}{{/isEnum}}){{/defaultValue}}{{^-last}}, {{/-last}}{{/readWriteVars}}){{#parent}} : base({{#parentVars}}{{#lambda.camelcase_param}}{{name}}{{/lambda.camelcase_param}}{{#hasMore}}, {{/hasMore}}{{/parentVars}}){{/parent}}
+        public {{classname}}({{#readWriteVars}}{{{datatypeWithEnum}}}{{#isEnum}}{{^isContainer}}{{^required}}?{{/required}}{{/isContainer}}{{/isEnum}} {{vendorExtensions.x-parameter-name}} = {{#defaultValue}}{{{defaultValue}}}{{/defaultValue}}{{^defaultValue}}default({{{datatypeWithEnum}}}{{#isEnum}}{{^isContainer}}{{^required}}?{{/required}}{{/isContainer}}{{/isEnum}}){{/defaultValue}}{{^-last}}, {{/-last}}{{/readWriteVars}}){{#parent}} : base({{#parentVars}}{{vendorExtensions.x-parameter-name}}{{#hasMore}}, {{/hasMore}}{{/parentVars}}){{/parent}}
         {
             {{#vars}}
             {{^isInherited}}
             {{^isReadOnly}}
             {{#required}}
-            // to ensure "{{#lambda.camelcase_param}}{{name}}{{/lambda.camelcase_param}}" is required (not null)
-            if ({{#lambda.camelcase_param}}{{name}}{{/lambda.camelcase_param}} == null)
+            // to ensure "{{vendorExtensions.x-parameter-name}}" is required (not null)
+            if ({{vendorExtensions.x-parameter-name}} == null)
             {
-                throw new InvalidDataException("{{#lambda.camelcase_param}}{{name}}{{/lambda.camelcase_param}} is a required property for {{classname}} and cannot be null");
+                throw new InvalidDataException("{{vendorExtensions.x-parameter-name}} is a required property for {{classname}} and cannot be null");
             }
             else
             {
-                this.{{name}} = {{#lambda.camelcase_param}}{{name}}{{/lambda.camelcase_param}};
+                this.{{name}} = {{vendorExtensions.x-parameter-name}};
             }
             {{/required}}
             {{/isReadOnly}}
@@ -78,18 +78,18 @@
             {{^isInherited}}
             {{^isReadOnly}}
             {{^required}}
-            {{#defaultValue}}// use default value if no "{{#lambda.camelcase_param}}{{name}}{{/lambda.camelcase_param}}" provided
-            if ({{#lambda.camelcase_param}}{{name}}{{/lambda.camelcase_param}} == null)
+            {{#defaultValue}}// use default value if no "{{vendorExtensions.x-parameter-name}}" provided
+            if ({{vendorExtensions.x-parameter-name}} == null)
             {
                 this.{{name}} = {{{defaultValue}}};
             }
             else
             {
-                this.{{name}} = {{#lambda.camelcase_param}}{{name}}{{/lambda.camelcase_param}};
+                this.{{name}} = {{vendorExtensions.x-parameter-name}};
             }
             {{/defaultValue}}
             {{^defaultValue}}
-this.{{name}} = {{#lambda.camelcase_param}}{{name}}{{/lambda.camelcase_param}};
+this.{{name}} = {{vendorExtensions.x-parameter-name}};
             {{/defaultValue}}
             {{/required}}
             {{/isReadOnly}}