diff --git a/server/TracyWorker.cpp b/server/TracyWorker.cpp
index 1c7461be..8ced6772 100644
--- a/server/TracyWorker.cpp
+++ b/server/TracyWorker.cpp
@@ -1738,6 +1738,15 @@ Worker::Worker( FileRead& f, EventType::Type eventMask, bool bgTasks )
 
     if( fileVer >= FileVersion( 0, 7, 9 ) )
     {
+        f.Read( sz );
+        m_data.codeSymbolMap.reserve( sz );
+        for( uint64_t i=0; i<sz; i++ )
+        {
+            uint64_t v1, v2;
+            f.Read2( v1, v2 );
+            m_data.codeSymbolMap.emplace( v1, v2 );
+        }
+
         f.Read( sz );
         m_data.hwSamples.reserve( sz );
         for( uint64_t i=0; i<sz; i++ )
@@ -7712,6 +7721,14 @@ void Worker::Write( FileWrite& f, bool fiDict )
         }
     }
 
+    sz = m_data.codeSymbolMap.size();
+    f.Write( &sz, sizeof( sz ) );
+    for( auto& v : m_data.codeSymbolMap )
+    {
+        f.Write( &v.first, sizeof( v.first ) );
+        f.Write( &v.second, sizeof( v.second ) );
+    }
+
     sz = m_data.hwSamples.size();
     f.Write( &sz, sizeof( sz ) );
     for( auto& v : m_data.hwSamples )