Index: src/exceptions/OFConnectionFailedException.h
==================================================================
--- src/exceptions/OFConnectionFailedException.h
+++ src/exceptions/OFConnectionFailedException.h
@@ -29,11 +29,11 @@
  *
  * @brief An exception indicating that a connection could not be established.
  */
 @interface OFConnectionFailedException: OFException
 {
-	OFString *_host;
+	OFString *_Nullable _host;
 	uint16_t _port;
 	unsigned char _node[IPX_NODE_LEN];
 	uint32_t _network;
 	OFString *_Nullable _path;
 	id _socket;
@@ -84,11 +84,11 @@
  * @param port The port on the host to which the connection failed
  * @param socket The socket which could not connect
  * @param errNo The errno of the error that occurred
  * @return A new, autoreleased connection failed exception
  */
-+ (instancetype)exceptionWithHost: (nullable OFString *)host
++ (instancetype)exceptionWithHost: (OFString *)host
 			     port: (uint16_t)port
 			   socket: (id)socket
 			    errNo: (int)errNo;
 
 /**
@@ -128,11 +128,11 @@
  * @param port The port on the host to which the connection failed
  * @param socket The socket which could not connect
  * @param errNo The errno of the error that occurred
  * @return An initialized connection failed exception
  */
-- (instancetype)initWithHost: (nullable OFString *)host
+- (instancetype)initWithHost: (OFString *)host
 			port: (uint16_t)port
 		      socket: (id)socket
 		       errNo: (int)errNo;
 
 /**