diff --git a/server/TracyView.cpp b/server/TracyView.cpp
index d7121f5f..a718625f 100644
--- a/server/TracyView.cpp
+++ b/server/TracyView.cpp
@@ -1318,6 +1318,17 @@ void View::DrawNotificationArea()
             }
         }
     }
+    if( m_worker.AreSamplesInconsistent() )
+    {
+        ImGui::SameLine();
+        TextColoredUnformatted( ImVec4( 1, 0.5, 0, 1 ), ICON_FA_EYE_DROPPER );
+        if( ImGui::IsItemHovered() )
+        {
+            ImGui::BeginTooltip();
+            ImGui::TextUnformatted( "Sampling data and ghost zones may be displayed wrongly due to data inconsistency. Save and reload the trace to fix this." );
+            ImGui::EndTooltip();
+        }
+    }
     if( m_vd.drawEmptyLabels )
     {
         ImGui::SameLine();
diff --git a/server/TracyWorker.cpp b/server/TracyWorker.cpp
index 0d651656..1cdaffc5 100644
--- a/server/TracyWorker.cpp
+++ b/server/TracyWorker.cpp
@@ -263,6 +263,7 @@ Worker::Worker( const char* addr, uint16_t port )
     , m_stream( LZ4_createStreamDecode() )
     , m_buffer( new char[TargetFrameSize*3 + 1] )
     , m_bufferOffset( 0 )
+    , m_inconsistentSamples( false )
     , m_pendingStrings( 0 )
     , m_pendingThreads( 0 )
     , m_pendingExternalNames( 0 )
@@ -306,6 +307,7 @@ Worker::Worker( const char* name, const char* program, const std::vector<ImportE
     , m_executableTime( 0 )
     , m_pid( 0 )
     , m_samplingPeriod( 0 )
+    , m_inconsistentSamples( false )
     , m_stream( nullptr )
     , m_buffer( nullptr )
     , m_traceVersion( CurrentVersion )
@@ -510,6 +512,7 @@ Worker::Worker( FileRead& f, EventType::Type eventMask, bool bgTasks )
     : m_hasData( true )
     , m_stream( nullptr )
     , m_buffer( nullptr )
+    , m_inconsistentSamples( false )
 {
     auto loadStart = std::chrono::high_resolution_clock::now();
 
@@ -5983,7 +5986,7 @@ void Worker::ProcessCallstackSampleImpl( const SampleData& sd, ThreadData& td, i
     }
     else
     {
-        assert( td.samples.back().time.Val() < t );
+        if( !m_inconsistentSamples && td.samples.back().time.Val() >= t ) m_inconsistentSamples = true;
         td.samples.push_back_non_empty( sd );
     }
 
diff --git a/server/TracyWorker.hpp b/server/TracyWorker.hpp
index a8aaca52..c60b0211 100644
--- a/server/TracyWorker.hpp
+++ b/server/TracyWorker.hpp
@@ -597,6 +597,7 @@ public:
     int GetTraceVersion() const { return m_traceVersion; }
     uint8_t GetHandshakeStatus() const { return m_handshake.load( std::memory_order_relaxed ); }
     int64_t GetSamplingPeriod() const { return m_samplingPeriod; }
+    bool AreSamplesInconsistent() const { return m_inconsistentSamples; }
 
     static const LoadProgress& GetLoadProgress() { return s_loadProgress; }
     int64_t GetLoadTime() const { return m_loadTime; }
@@ -896,6 +897,7 @@ private:
     bool m_ignoreMemFreeFaults;
     bool m_codeTransfer;
     bool m_combineSamples;
+    bool m_inconsistentSamples;
 
     short_ptr<GpuCtxData> m_gpuCtxMap[256];
     uint32_t m_pendingCallstackId = 0;