diff --git a/lib/swift/Sources/TClient.swift b/lib/swift/Sources/TClient.swift
index c404c9a..cc3288a 100644
--- a/lib/swift/Sources/TClient.swift
+++ b/lib/swift/Sources/TClient.swift
@@ -22,12 +22,12 @@
   public let inProtocol: TProtocol
   public let outProtocol: TProtocol
 
-  public init(inoutProtocol: TProtocol) {
+  required public init(inoutProtocol: TProtocol) {
     self.inProtocol = inoutProtocol
     self.outProtocol = inoutProtocol
   }
 
-  public init(inProtocol: TProtocol, outProtocol: TProtocol) {
+  required public init(inProtocol: TProtocol, outProtocol: TProtocol) {
     self.inProtocol = inProtocol
     self.outProtocol = outProtocol
   }