diff --git a/jack/alsa_driver.h b/jack/alsa_driver.h
index edc8ef2..2681e57 100644
--- a/jack/alsa_driver.h
+++ b/jack/alsa_driver.h
@@ -96,6 +96,7 @@ typedef struct {
 
     unsigned long input_monitor_mask;
 
+    char   soft_mode : 1;
     char   hw_monitoring : 1;
     char   all_monitor_in : 1;
     char   capture_and_playback_not_synced : 1;