diff --git a/hipamd/src/hip_mempool_impl.hpp b/hipamd/src/hip_mempool_impl.hpp
index b38eb74d2a..1e900a111f 100644
--- a/hipamd/src/hip_mempool_impl.hpp
+++ b/hipamd/src/hip_mempool_impl.hpp
@@ -261,6 +261,7 @@ class MemoryPool : public amd::ReferenceCountedObject {
 
   /// Add a safe stream for quick looks-ups if event dependencies option is enabled
   void AddSafeStream(Stream* event_stream, Stream* wait_stream) {
+    amd::ScopedLock lock(lock_pool_ops_);
     if (EventDependencies()) {
       free_heap_.AddSafeStream(event_stream, wait_stream);
     }