diff --git a/python/sglang/srt/managers/scheduler.py b/python/sglang/srt/managers/scheduler.py
index 635536a97..3ff6eaf57 100644
--- a/python/sglang/srt/managers/scheduler.py
+++ b/python/sglang/srt/managers/scheduler.py
@@ -2346,6 +2346,7 @@ class Scheduler(
             self.stashed_model_static_state = _export_static_state(
                 self.tp_worker.worker.model_runner.model
             )
+            torch.distributed.barrier(self.tp_cpu_group)
             self.memory_saver_adapter.pause(GPU_MEMORY_TYPE_WEIGHTS)
 
         return ReleaseMemoryOccupationReqOutput()
@@ -2357,6 +2358,7 @@ class Scheduler(
 
         if GPU_MEMORY_TYPE_WEIGHTS in tags:
             self.memory_saver_adapter.resume(GPU_MEMORY_TYPE_WEIGHTS)
+            torch.distributed.barrier(self.tp_cpu_group)
             _import_static_state(
                 self.tp_worker.worker.model_runner.model,
                 self.stashed_model_static_state,