diff --git a/test_conformance/c11_atomics/test_atomics.cpp b/test_conformance/c11_atomics/test_atomics.cpp
index 90b7471a..d905b2ca 100644
--- a/test_conformance/c11_atomics/test_atomics.cpp
+++ b/test_conformance/c11_atomics/test_atomics.cpp
@@ -2914,7 +2914,8 @@ public:
                 + "-1);\n"
                   "  if(hisAtomicValue != hisValue)\n"
                   "  { // fail\n"
-                  "    atomic_store(&destMemory[myId], myValue-1);\n";
+                  "    atomic_store_explicit(&destMemory[myId], myValue-1,"
+                  " memory_order_relaxed, memory_scope_work_group);\n";
             if (LocalMemory())
                 program += "    hisId = "
                            "(hisId+get_local_size(0)-1)%get_local_size(0);\n";