diff --git a/tools/stats_log_api_gen/Collation.h b/tools/stats_log_api_gen/Collation.h
index d56f2be7ecb3d..b513463ec98f0 100644
--- a/tools/stats_log_api_gen/Collation.h
+++ b/tools/stats_log_api_gen/Collation.h
@@ -160,7 +160,7 @@ struct AtomDecl {
     int exclusiveField = 0;
     int defaultState = INT_MAX;
     int triggerStateReset = INT_MAX;
-    bool nested;
+    bool nested = true;
 
     int uidField = 0;