diff --git a/include/proto/mworker.h b/include/proto/mworker.h
index 0418782..595cc19 100644
--- a/include/proto/mworker.h
+++ b/include/proto/mworker.h
@@ -22,6 +22,7 @@
 void mworker_block_signals();
 void mworker_unblock_signals();
 
+void mworker_broadcast_signal(struct sig_handler *sh);
 void mworker_catch_sighup(struct sig_handler *sh);
 void mworker_catch_sigterm(struct sig_handler *sh);
 void mworker_catch_sigchld(struct sig_handler *sh);