diff --git a/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/JaxRSServerCodegen.java b/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/JaxRSServerCodegen.java
index ac541157458..063b002596c 100644
--- a/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/JaxRSServerCodegen.java
+++ b/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/JaxRSServerCodegen.java
@@ -166,6 +166,15 @@ public class JaxRSServerCodegen extends JavaClientCodegen implements CodegenConf
         return objs;
     }
 
+    @Override
+    public String toApiName(String name) {
+        if (name.length() == 0) {
+            return "DefaultApi";
+        }
+        name = name.replaceAll("[^a-zA-Z0-9]+", "_");
+        return camelize(name) + "Api";
+    }
+
     @Override
     public String apiFilename(String templateName, String tag) {