@@ -166,11 +166,11 @@
  * @brief Returns a backtrace of when the exception was created or nil if no
  *	  backtrace is available.
  *
  * @return A backtrace of when the exception was created
  */
-- (nullable OFArray *)backtrace;
+- (nullable OFArray OF_GENERIC(OFString *) *)backtrace;
 @end
 
 #ifdef __cplusplus
 extern "C" {
 #endif