diff --git a/src/GrpcHttpApi/src/Microsoft.AspNetCore.Grpc.HttpApi/JsonSettings.cs b/src/GrpcHttpApi/src/Microsoft.AspNetCore.Grpc.HttpApi/JsonSettings.cs
index bc5d449ee..4227a80c4 100644
--- a/src/GrpcHttpApi/src/Microsoft.AspNetCore.Grpc.HttpApi/JsonSettings.cs
+++ b/src/GrpcHttpApi/src/Microsoft.AspNetCore.Grpc.HttpApi/JsonSettings.cs
@@ -33,7 +33,7 @@ public JsonSettings()
         /// </summary>
         public bool FormatDefaultValues { get; set; } = true;
 
-        public bool FormatEnumsAsIntegers { get; set; }
+        public bool FormatEnumsAsIntegers { get; set; } = true;
 
         public TypeRegistry TypeRegistry { get; set; } = TypeRegistry.Empty;