diff --git a/server/TracyWorker.cpp b/server/TracyWorker.cpp
index 4eeadaa1..37fed603 100644
--- a/server/TracyWorker.cpp
+++ b/server/TracyWorker.cpp
@@ -2563,9 +2563,13 @@ bool Worker::DispatchProcess( const QueueItem& ev, char*& ptr )
 
 void Worker::CheckSourceLocation( uint64_t ptr )
 {
-    if( m_data.sourceLocation.find( ptr ) == m_data.sourceLocation.end() )
+    if( m_data.checkSrclocLast != ptr )
     {
-        NewSourceLocation( ptr );
+        m_data.checkSrclocLast = ptr;
+        if( m_data.sourceLocation.find( ptr ) == m_data.sourceLocation.end() )
+        {
+            NewSourceLocation( ptr );
+        }
     }
 }
 
diff --git a/server/TracyWorker.hpp b/server/TracyWorker.hpp
index d8350ac5..092e465f 100644
--- a/server/TracyWorker.hpp
+++ b/server/TracyWorker.hpp
@@ -214,6 +214,7 @@ private:
 
         std::pair<uint64_t, ThreadData*> threadDataLast = std::make_pair( std::numeric_limits<uint64_t>::max(), nullptr );
         std::pair<uint64_t, ContextSwitch*> ctxSwitchLast = std::make_pair( std::numeric_limits<uint64_t>::max(), nullptr );
+        uint64_t checkSrclocLast = 0;
     };
 
     struct MbpsBlock