diff --git a/parameter_tools/src/test/java/JSONSyncTests.java b/parameter_tools/src/test/java/JSONSyncTests.java
index 4b3a039..deced8a 100644
--- a/parameter_tools/src/test/java/JSONSyncTests.java
+++ b/parameter_tools/src/test/java/JSONSyncTests.java
@@ -13,7 +13,7 @@ public void TestPrep() {
                 new JSONSync<ExampleJsonSyncClass>(
                         new ExampleJsonSyncClass(),
                         "filePath",
-                        new JSONSync.JSONSyncConfigBuilder().build());
+                        new JSONSync.JSONSyncConfigBuilder().setPrettyPrinting(true).build());
     }
 
     //@Test