diff --git a/server/TracySourceView.cpp b/server/TracySourceView.cpp
index 2d28eec7..7a2e25cd 100644
--- a/server/TracySourceView.cpp
+++ b/server/TracySourceView.cpp
@@ -1238,7 +1238,7 @@ static uint32_t GetHotnessColor( uint32_t ipSum, uint32_t maxIpCount )
 
 }
 
-void SourceView::RenderSymbolSourceView( uint32_t iptotal, unordered_flat_map<uint64_t, AddrStat> ipcount, unordered_flat_map<uint64_t, AddrStat> ipcountAsm, uint32_t ipmax, const Worker& worker, const View& view )
+void SourceView::RenderSymbolSourceView( uint32_t iptotal, const unordered_flat_map<uint64_t, AddrStat>& ipcount, const unordered_flat_map<uint64_t, AddrStat>& ipcountAsm, uint32_t ipmax, const Worker& worker, const View& view )
 {
     if( m_sourceFiles.empty() )
     {
@@ -1637,7 +1637,7 @@ static int PrintHexBytes( char* buf, const uint8_t* bytes, size_t len, CpuArchit
     }
 }
 
-uint64_t SourceView::RenderSymbolAsmView( uint32_t iptotal, unordered_flat_map<uint64_t, AddrStat> ipcount, uint32_t ipmax, const Worker& worker, View& view )
+uint64_t SourceView::RenderSymbolAsmView( uint32_t iptotal, const unordered_flat_map<uint64_t, AddrStat>& ipcount, uint32_t ipmax, const Worker& worker, View& view )
 {
     if( m_disasmFail >= 0 )
     {
diff --git a/server/TracySourceView.hpp b/server/TracySourceView.hpp
index 4b8055a6..264178ca 100644
--- a/server/TracySourceView.hpp
+++ b/server/TracySourceView.hpp
@@ -129,8 +129,8 @@ private:
     void RenderSimpleSourceView();
     void RenderSymbolView( const Worker& worker, View& view );
 
-    void RenderSymbolSourceView( uint32_t iptotal, unordered_flat_map<uint64_t, AddrStat> ipcount, unordered_flat_map<uint64_t, AddrStat> ipcountAsm, uint32_t ipmax, const Worker& worker, const View& view );
-    uint64_t RenderSymbolAsmView( uint32_t iptotal, unordered_flat_map<uint64_t, AddrStat> ipcount, uint32_t ipmax, const Worker& worker, View& view );
+    void RenderSymbolSourceView( uint32_t iptotal, const unordered_flat_map<uint64_t, AddrStat>& ipcount, const unordered_flat_map<uint64_t, AddrStat>& ipcountAsm, uint32_t ipmax, const Worker& worker, const View& view );
+    uint64_t RenderSymbolAsmView( uint32_t iptotal, const unordered_flat_map<uint64_t, AddrStat>& ipcount, uint32_t ipmax, const Worker& worker, View& view );
 
     void RenderLine( const Tokenizer::Line& line, int lineNum, uint32_t ipcnt, uint32_t iptotal, uint32_t ipmax, const Worker* worker );
     void RenderAsmLine( AsmLine& line, uint32_t ipcnt, uint32_t iptotal, uint32_t ipmax, const Worker& worker, uint64_t& jumpOut, int maxAddrLen, View& view );