diff --git a/simulator/src/main/java/com/hedera/block/simulator/config/data/BlockStreamConfig.java b/simulator/src/main/java/com/hedera/block/simulator/config/data/BlockStreamConfig.java
index 302c5a00..d0107b98 100644
--- a/simulator/src/main/java/com/hedera/block/simulator/config/data/BlockStreamConfig.java
+++ b/simulator/src/main/java/com/hedera/block/simulator/config/data/BlockStreamConfig.java
@@ -27,4 +27,4 @@
  */
 @ConfigData("blockStream")
 public record BlockStreamConfig(
-        @ConfigProperty(defaultValue = "SELF") GenerationMode generationMode) {}
+        @ConfigProperty(defaultValue = "DIR") GenerationMode generationMode) {}