diff --git a/core/src/main/java/hudson/tasks/Fingerprinter.java b/core/src/main/java/hudson/tasks/Fingerprinter.java
index c2f7b2a98022ca4a22d98649d07aa5fcdbb68763..18961ec91d95dd5c3b3f7a47fab05446ac9be2fc 100644
--- a/core/src/main/java/hudson/tasks/Fingerprinter.java
+++ b/core/src/main/java/hudson/tasks/Fingerprinter.java
@@ -289,6 +289,9 @@ public class Fingerprinter extends Recorder implements Serializable {
             }
         }
 
+        public void onAttached(Run r) {
+        }
+
         public void onBuildComplete() {
         }