diff --git a/src/Transport/DataSink.cpp b/src/Transport/DataSink.cpp
index d8d749c..d6a8f9e 100644
--- a/src/Transport/DataSink.cpp
+++ b/src/Transport/DataSink.cpp
@@ -35,7 +35,7 @@ DataSink::DataSink()
 common::DataBuffer DataSink::fill()
 {
     const auto offset = data_.size();
-    data_.resize(data_.size() + cChunkSize);
+    data_.insert(data_.end(), cChunkSize, 0);
 
     return common::DataBuffer(&data_[offset], cChunkSize);
 }