diff --git a/lib/galaxy/managers/workflows.py b/lib/galaxy/managers/workflows.py
index 2070e9e007ef..50ecf46db689 100644
--- a/lib/galaxy/managers/workflows.py
+++ b/lib/galaxy/managers/workflows.py
@@ -201,7 +201,7 @@ def name_filter(term):
                             query = query.filter(model.StoredWorkflow.published == true())
                         elif q == "deleted":
                             query = query.filter(model.StoredWorkflow.deleted == true())
-                            show_deleted = true
+                            show_deleted = True
                         elif q == "shared_with_me":
                             if not show_shared:
                                 message = "Can only use tag is:shared_with_me if show_shared parameter also true."