diff --git a/cuda_core/tests/memory_ipc/test_peer_access.py b/cuda_core/tests/memory_ipc/test_peer_access.py
index 4dc04a8bd0b..c54ace82c54 100644
--- a/cuda_core/tests/memory_ipc/test_peer_access.py
+++ b/cuda_core/tests/memory_ipc/test_peer_access.py
@@ -82,6 +82,8 @@ def test_main(self, ipc_mempool_device_x2, grant_access_in_parent):
         buffer = mr.allocate(NBYTES, stream=dev1.default_stream)
         pgen = PatternGen(dev1, NBYTES)
         pgen.fill_buffer(buffer, seed=False)
+        # IPC import does not carry the exporting process's stream ordering.
+        dev1.sync()
 
         # Spawn child process
         process = mp.Process(target=self.child_main, args=(mr, buffer))