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 67c30289510a..119782212d0d 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
@@ -468,7 +468,7 @@ public abstract class AbstractCSharpCodegen extends DefaultCodegen implements Co
 
     @Override
     public String toModelName(String name) {
-        name = sanitizeName(name);
+        name = sanitizeName(modelNamePrefix + name + modelNameSuffix);
 
         // model name cannot use reserved keyword, e.g. return
         if (isReservedWord(name)) {