1 files changed, 1 insertions, 0 deletions
diff --git a/rts/Task.c b/rts/Task.c
index 038e86137d..0ec60f7508 100644
--- a/rts/Task.c
+++ b/rts/Task.c
@@ -258,6 +258,7 @@ workerTaskStop (Task *task)
     ASSERT(myTask() == task);
 #endif
 
+    task->cap = NULL;
     taskTimeStamp(task);
     task->stopped = rtsTrue;
     tasksRunning--;