diff --git a/templates/model-entity.mustache b/templates/model-entity.mustache
index 65fbc8f..34fd5f4 100644
--- a/templates/model-entity.mustache
+++ b/templates/model-entity.mustache
@@ -16,7 +16,7 @@ export class {{classname}} {
    * {{description}}
    */
 {{/description}}
-  {{name}}{{^required}}?{{/required}}: {{{dataType}}};
+  {{name}}{{^required}}?{{/required}}{{#required}}!{{/required}}: {{{dataType}}};
 {{/vars}}
 }