@@ -52,19 +52,19 @@
  * @return A new, autoreleased set option failed exception
  */
 + (instancetype)exceptionWithStream: (OFStream *)stream
 			      errNo: (int)errNo;
 
-- init OF_UNAVAILABLE;
+- (instancetype)init OF_UNAVAILABLE;
 
 /*!
  * @brief Initializes an already allocated set option failed exception.
  *
  * @param stream The stream for which the option could not be set
  * @param errNo The errno of the error that occurred
  * @return An initialized set option failed exception
  */
-- initWithStream: (OFStream *)stream
-	   errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
+- (instancetype)initWithStream: (OFStream *)stream
+			 errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END