diff --git a/ntcore/src/main/native/cpp/net/WebSocketConnection.cpp b/ntcore/src/main/native/cpp/net/WebSocketConnection.cpp
index 176770db7f..1312af2eb2 100644
--- a/ntcore/src/main/native/cpp/net/WebSocketConnection.cpp
+++ b/ntcore/src/main/native/cpp/net/WebSocketConnection.cpp
@@ -233,6 +233,8 @@ int WebSocketConnection::Flush() {
   int count = 0;
   for (auto&& frame :
        wpi::take_back(std::span{m_frames}, unsentFrames.size())) {
+    ReleaseBufs(
+        std::span{m_bufs}.subspan(frame.start, frame.end - frame.start));
     count += frame.count;
   }
   m_frames.clear();