--- a/src/hotspot/share/gc/z/zMark.cpp	Mon Nov 25 12:22:13 2019 +0100
+++ b/src/hotspot/share/gc/z/zMark.cpp	Mon Nov 25 12:30:24 2019 +0100
@@ -487,7 +487,7 @@
       // Flush before termination
       if (!try_flush(&_work_nterminateflush)) {
         // No more work available, skip further flush attempts
-        Atomic::store(false, &_work_terminateflush);
+        Atomic::store(&_work_terminateflush, false);
       }
 
       // Don't terminate, regardless of whether we successfully