diff --git a/src/java-jpa-entity.js b/src/java-jpa-entity.js
index b332f22..adbddfc 100644
--- a/src/java-jpa-entity.js
+++ b/src/java-jpa-entity.js
@@ -97,7 +97,7 @@ module.exports = {
             }
             
             repo.table = jpa.table || model.plural
-            repo.indexes = jpa.indexes.map(index => {
+            repo.indexes = jpa.indexes && jpa.indexes.map(index => {
                 return {
                     namePascalCase: utils.pascalcase(index),
                     name: index,