diff --git a/source/net/yacy/search/query/SearchEvent.java b/source/net/yacy/search/query/SearchEvent.java
index ad8fffe6e..a626e10e8 100644
--- a/source/net/yacy/search/query/SearchEvent.java
+++ b/source/net/yacy/search/query/SearchEvent.java
@@ -1397,7 +1397,7 @@ public final class SearchEvent {
                 success = true;
             }
         } else {
-            Thread t = new Thread() {
+            Thread t = new Thread("SearchEvent.drainStacksToResult.oneFilteredFromRWI") {
                 @Override
                 public void run() {
                     SearchEvent.this.oneFeederStarted();