diff --git a/server/TracyTimelineItemThread.cpp b/server/TracyTimelineItemThread.cpp
index 9c334c7a..a5abdcf4 100644
--- a/server/TracyTimelineItemThread.cpp
+++ b/server/TracyTimelineItemThread.cpp
@@ -260,7 +260,7 @@ void TimelineItemThread::HeaderExtraContents( const TimelineContext& ctx, int of
 
 bool TimelineItemThread::DrawContents( const TimelineContext& ctx, int& offset )
 {
-    m_view.DrawThread( ctx, *m_thread, m_draw, m_ctxDraw, m_samplesDraw, offset, m_depth, m_hasCtxSwitch, m_hasSamples );
+    m_view.DrawThread( ctx, *m_thread, m_draw, m_ctxDraw, m_samplesDraw, m_lockDraw, offset, m_depth, m_hasCtxSwitch, m_hasSamples );
     if( m_depth == 0 && !m_hasMessages )
     {
         auto& crash = m_worker.GetCrashEvent();
diff --git a/server/TracyView.hpp b/server/TracyView.hpp
index 358c1ad0..418f0be0 100644
--- a/server/TracyView.hpp
+++ b/server/TracyView.hpp
@@ -47,6 +47,7 @@ struct SamplesDraw;
 struct MessagesDraw;
 struct CpuUsageDraw;
 struct CpuCtxDraw;
+struct LockDraw;
 
 class View
 {
@@ -137,7 +138,7 @@ public:
     void HighlightThread( uint64_t thread );
     void ZoomToRange( int64_t start, int64_t end, bool pause = true );
     bool DrawPlot( const TimelineContext& ctx, PlotData& plot, int& offset );
-    void DrawThread( const TimelineContext& ctx, const ThreadData& thread, const std::vector<TimelineDraw>& draw, const std::vector<ContextSwitchDraw>& ctxDraw, const std::vector<SamplesDraw>& samplesDraw, int& offset, int depth, bool hasCtxSwitches, bool hasSamples );
+    void DrawThread( const TimelineContext& ctx, const ThreadData& thread, const std::vector<TimelineDraw>& draw, const std::vector<ContextSwitchDraw>& ctxDraw, const std::vector<SamplesDraw>& samplesDraw, const std::vector<std::unique_ptr<LockDraw>>& lockDraw, int& offset, int depth, bool hasCtxSwitches, bool hasSamples );
     void DrawThreadMessagesList( const TimelineContext& ctx, const std::vector<MessagesDraw>& drawList, int offset, uint64_t tid );
     void DrawThreadOverlays( const ThreadData& thread, const ImVec2& ul, const ImVec2& dr );
     bool DrawGpu( const TimelineContext& ctx, const GpuCtxData& gpu, int& offset );
diff --git a/server/TracyView_ZoneTimeline.cpp b/server/TracyView_ZoneTimeline.cpp
index e23965bf..6c55e062 100644
--- a/server/TracyView_ZoneTimeline.cpp
+++ b/server/TracyView_ZoneTimeline.cpp
@@ -23,7 +23,7 @@ static tracy_force_inline uint32_t MixGhostColor( uint32_t c0, uint32_t c1 )
         ( ( ( ( ( c0 & 0x000000FF )       ) + 3 * ( ( c1 & 0x000000FF )       ) ) >> 2 )       );
 }
 
-void View::DrawThread( const TimelineContext& ctx, const ThreadData& thread, const std::vector<TimelineDraw>& draw, const std::vector<ContextSwitchDraw>& ctxDraw, const std::vector<SamplesDraw>& samplesDraw, int& offset, int depth, bool _hasCtxSwitches, bool _hasSamples )
+void View::DrawThread( const TimelineContext& ctx, const ThreadData& thread, const std::vector<TimelineDraw>& draw, const std::vector<ContextSwitchDraw>& ctxDraw, const std::vector<SamplesDraw>& samplesDraw, const std::vector<std::unique_ptr<LockDraw>>& lockDraw, int& offset, int depth, bool _hasCtxSwitches, bool _hasSamples )
 {
     const auto& wpos = ctx.wpos;
     const auto ty = ctx.ty;