@@ -32,11 +32,11 @@
  * @param socket The socket which connected
  * @param exception An exception which occurred while connecting the socket or
  *		    nil on success
  */
 typedef void (^of_tcp_socket_async_connect_block_t)(OFTCPSocket *socket,
-    OFException *OF_NULLABLE exception);
+    OFException *_Nullable exception);
 
 /*!
  * @brief A block which is called when the socket accepted a connection.
  *
  * @param socket The socket which accepted the connection
@@ -45,11 +45,11 @@
  *		    nil on success
  * @return A bool whether the same block should be used for the next incoming
  *	   connection
  */
 typedef bool (^of_tcp_socket_async_accept_block_t)(OFTCPSocket *socket,
-    OFTCPSocket *acceptedSocket, OFException *OF_NULLABLE exception);
+    OFTCPSocket *acceptedSocket, OFException *_Nullable exception);
 #endif
 
 /*!
  * @class OFTCPSocket OFTCPSocket.h ObjFW/OFTCPSocket.h
  *
@@ -279,11 +279,11 @@
 @end
 
 #ifdef __cplusplus
 extern "C" {
 #endif
-extern Class OF_NULLABLE of_tls_socket_class;
+extern Class _Nullable of_tls_socket_class;
 #ifdef __cplusplus
 }
 #endif
 
 OF_ASSUME_NONNULL_END