diff --git a/decision-task.py b/decision-task.py
index 27ccb32d0e9..c87b64827f8 100644
--- a/decision-task.py
+++ b/decision-task.py
@@ -74,7 +74,7 @@ def build_image(name):
 
     try:
         result = INDEX.findTask(route)
-#        return result["taskId"]
+        return result["taskId"]
     except taskcluster.TaskclusterRestFailure as e:
         if e.status_code != 404:
             raise