Miniscule cleanup

1 files changed, 1 insertions, 1 deletions

diff --git a/zkfacade/src/main/java/com/yahoo/vespa/curator/transaction/CuratorTransaction.java b/zkfacade/src/main/java/com/yahoo/vespa/curator/transaction/CuratorTransaction.java
index ab1d27ac325..92972c99194 100644
--- a/zkfacade/src/main/java/com/yahoo/vespa/curator/transaction/CuratorTransaction.java
+++ b/zkfacade/src/main/java/com/yahoo/vespa/curator/transaction/CuratorTransaction.java
@@ -68,7 +68,7 @@ public class CuratorTransaction extends AbstractTransaction {
 
     @Override
     public String toString() {
-        return String.join(",", operations().stream().map(operation -> operation.toString()).collect(Collectors.toList()));
+        return operations().stream().map(Object::toString).collect(Collectors.joining(","));
     }
 
 }