diff --git a/src/script/hydra-update-gc-roots b/src/script/hydra-update-gc-roots
index 8cf24d5d..315d4ebb 100755
--- a/src/script/hydra-update-gc-roots
+++ b/src/script/hydra-update-gc-roots
@@ -138,7 +138,14 @@ foreach my $project ($db->resultset('Projects')->search({}, { order_by => ["name
             { id => { -in => $db->resultset('JobsetEvalMembers')->search({ eval => { -in => [@evals] } }, { select => "build" })->as_query }
             , finished => 1
             },
-            { order_by => ["job", "id"], columns => [ @columns ] });
+            {
+                order_by => ["job", "id"],
+                columns => [ @columns ],
+                join      => 'jobset',
+                '+select' => ['jobset.project', 'jobset.name'],
+                '+as'     => ['jobset.project', 'jobset.name'],
+            }
+        );
 
         print STDERR "*** looking for the most recent successful builds of current jobs in ",
             $project->name, ":", $jobset->name, "\n";
@@ -158,7 +165,13 @@ foreach my $project ($db->resultset('Projects')->search({}, { order_by => ["name
                 , select => [ { max => 'id', -as => 'm' } ]
                 })->as_query }
             },
-            { columns => [ @columns ] });
+            {
+                columns => [ @columns ]
+                join      => 'jobset',
+                '+select' => ['jobset.project', 'jobset.name'],
+                '+as'     => ['jobset.project', 'jobset.name'],
+            }
+        );
     }
 }