diff --git a/schema/workflow/unit/condition.json b/schema/workflow/unit/condition.json
index 7cb8be725..17eb55d04 100644
--- a/schema/workflow/unit/condition.json
+++ b/schema/workflow/unit/condition.json
@@ -47,6 +47,7 @@
         "input",
         "statement",
         "then",
-        "else"
+        "else",
+        "maxOccurrences"
     ]
 }