diff --git a/Sources/Operators.swift b/Sources/Operators.swift
index f2a4b75..d7232b3 100644
--- a/Sources/Operators.swift
+++ b/Sources/Operators.swift
@@ -49,6 +49,12 @@ public func <| <A: RawRepresentable>(dictionary: MarshaledObject, key: String) t
 public func <| (dictionary: MarshaledObject, key: String) throws -> JSONObject {
     return try dictionary.value(for: key)
 }
+public func <| (dictionary: MarshaledObject, key: String) throws -> JSONObject? {
+    return try dictionary.value(for: key)
+}
 public func <| (dictionary: MarshaledObject, key: String) throws -> [JSONObject] {
     return try dictionary.value(for: key)
 }
+public func <| (dictionary: MarshaledObject, key: String) throws -> [JSONObject]? {
+    return try dictionary.value(for: key)
+}