@@ -52,9 +52,10 @@
  * @brief Initializes an already allocated thread still running exception.
  *
  * @param thread The thread which is still running
  * @return An initialized thread still running exception
  */
-- initWithThread: (nullable OFThread *)thread OF_DESIGNATED_INITIALIZER;
+- (instancetype)initWithThread: (nullable OFThread *)thread
+    OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END