summaryrefslogtreecommitdiff
path: root/erts/emulator/beam/bif.c
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator/beam/bif.c')
-rw-r--r--erts/emulator/beam/bif.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c
index c4687f04b8..fe3dbb4c48 100644
--- a/erts/emulator/beam/bif.c
+++ b/erts/emulator/beam/bif.c
@@ -370,6 +370,7 @@ demonitor(Process *c_p, Eterm ref, Eterm *multip)
NIL,
THE_NON_VALUE);
amdp->origin.flags = mon->flags & ERTS_ML_STATE_ALIAS_MASK;
+ mon->flags &= ~ERTS_ML_STATE_ALIAS_MASK;
erts_monitor_tree_replace(&ERTS_P_MONITORS(c_p), mon, &amdp->origin);
break;
}