diff --git a/src/gallium/state_trackers/clover/core/event.cpp b/src/gallium/state_trackers/clover/core/event.cpp
index b7eb33dbfc8..3d313ce8969 100644
--- a/src/gallium/state_trackers/clover/core/event.cpp
+++ b/src/gallium/state_trackers/clover/core/event.cpp
@@ -41,7 +41,7 @@ event::trigger_self() {
    std::lock_guard<std::mutex> lock(mutex);
    std::vector<intrusive_ref<event>> evs;
 
-   if (!--_wait_count)
+   if (_wait_count && !--_wait_count)
       std::swap(_chain, evs);
 
    cv.notify_all();
@@ -65,8 +65,10 @@ event::abort_self(cl_int status) {
    std::vector<intrusive_ref<event>> evs;
 
    _status = status;
+   _wait_count = 0;
    std::swap(_chain, evs);
 
+   cv.notify_all();
    return evs;
 }