1 files changed, 1 insertions, 1 deletions
diff --git a/Monitor.c b/Monitor.c
index 6a4c8dec..213e58d6 100644
--- a/Monitor.c
+++ b/Monitor.c
@@ -601,7 +601,7 @@ int Wait(char *dev)
 	if (major(stb.st_rdev) == MD_MAJOR)
 		devnum = minor(stb.st_rdev);
 	else
-		devnum = -minor(stb.st_rdev)/16;
+		devnum = -1-(minor(stb.st_rdev)/64);
 
 	while(1) {
 		struct mdstat_ent *ms = mdstat_read(1, 0);