diff --git a/src/cpp/rtps/history/WriterHistory.cpp b/src/cpp/rtps/history/WriterHistory.cpp
index 1553d35881a..28fdf946986 100644
--- a/src/cpp/rtps/history/WriterHistory.cpp
+++ b/src/cpp/rtps/history/WriterHistory.cpp
@@ -254,6 +254,8 @@ CacheChange_t* WriterHistory::remove_change_and_reuse(
         return nullptr;
     }
 
+    std::lock_guard<RecursiveTimedMutex> guard(*mp_mutex);
+
     // Create a temporary reference change associated to the sequence number
     CacheChange_t ch;
     ch.sequenceNumber = sequence_number;