1 files changed, 1 insertions, 0 deletions
diff --git a/rts/Task.c b/rts/Task.c
index e2f363b321..9707251ca3 100644
--- a/rts/Task.c
+++ b/rts/Task.c
@@ -292,6 +292,7 @@ discardTasksExcept (Task *keep)
         }
     }
     all_tasks = keep;
+    keep->all_link = NULL;
     RELEASE_LOCK(&sched_mutex);
 }