diff --git a/hmp.h b/hmp.h
index 9234f28..edd9020 100644
--- a/hmp.h
+++ b/hmp.h
@@ -55,5 +55,6 @@
 void hmp_change(Monitor *mon, const QDict *qdict);
 void hmp_block_set_io_throttle(Monitor *mon, const QDict *qdict);
 void hmp_block_stream(Monitor *mon, const QDict *qdict);
+void hmp_block_job_set_speed(Monitor *mon, const QDict *qdict);
 
 #endif