diff --git a/openmp/libomptarget/DeviceRTL/src/Synchronization.cpp b/openmp/libomptarget/DeviceRTL/src/Synchronization.cpp
--- a/openmp/libomptarget/DeviceRTL/src/Synchronization.cpp
+++ b/openmp/libomptarget/DeviceRTL/src/Synchronization.cpp
@@ -36,7 +36,7 @@
 }
 
 void atomicStore(uint32_t *Address, uint32_t Val, int Ordering) {
-  __atomic_store_n(Address, Val, Ordering);
+  (void)__atomic_exchange_n(Address, Val, Ordering);
 }
 
 uint32_t atomicAdd(uint32_t *Address, uint32_t Val, int Ordering) {