diff --git a/src/AD419/Program.cs b/src/AD419/Program.cs
index 271915e..bb11dd3 100644
--- a/src/AD419/Program.cs
+++ b/src/AD419/Program.cs
@@ -58,7 +58,7 @@ public static int Main(string[] args)
             {
                 loggerConfig.WriteTo.Elasticsearch(new ElasticsearchSinkOptions(elasticUri)
                 {
-                    IndexFormat = "aspnet-ad419-expenseassociation-{0:yyyy.MM}"
+                    IndexFormat = "aspnet-ad419-ea-{0:yyyy.MM}"
                 });
             }