Index: src/OFTLSSocket.h
==================================================================
--- src/OFTLSSocket.h
+++ src/OFTLSSocket.h
@@ -26,11 +26,11 @@
 /*!
  * @protocol OFTLSSocketDelegate OFTLSSocket.h ObjFW/OFTLSSocket.h
  *
  * @brief A delegate for classes implementing the OFTLSSocket protocol.
  */
-@protocol OFTLSSocketDelegate
+@protocol OFTLSSocketDelegate <OFTCPSocketDelegate>
 @optional
 /*!
  * @brief This callback is called when the TLS socket wants to know if it
  *	  should accept the received certificate.
  *