diff --git a/client/TracyProfiler.cpp b/client/TracyProfiler.cpp
index c8163922..76e509ac 100644
--- a/client/TracyProfiler.cpp
+++ b/client/TracyProfiler.cpp
@@ -495,6 +495,15 @@ static const char* GetHostInfo()
     return buf;
 }
 
+static uint64_t GetPid()
+{
+#if defined _WIN32 || defined __CYGWIN__
+    return uint64_t( GetCurrentProcessId() );
+#else
+    return uint64_t( getpid() );
+#endif
+}
+
 static BroadcastMessage& GetBroadcastMessage( const char* procname, size_t pnsz, int& len )
 {
     static BroadcastMessage msg;
@@ -1157,6 +1166,8 @@ void Profiler::Worker()
     const auto hostinfo = GetHostInfo();
     const auto hisz = std::min<size_t>( strlen( hostinfo ), WelcomeMessageHostInfoSize - 1 );
 
+    const uint64_t pid = GetPid();
+
 #ifdef TRACY_ON_DEMAND
     uint8_t onDemand = 1;
 #else
@@ -1176,6 +1187,7 @@ void Profiler::Worker()
     MemWrite( &welcome.delay, m_delay );
     MemWrite( &welcome.resolution, m_resolution );
     MemWrite( &welcome.epoch, m_epoch );
+    MemWrite( &welcome.pid, pid );
     MemWrite( &welcome.onDemand, onDemand );
     MemWrite( &welcome.isApple, isApple );
     memcpy( welcome.programName, procname, pnsz );
diff --git a/common/TracyProtocol.hpp b/common/TracyProtocol.hpp
index e0dfacc1..3cb30994 100644
--- a/common/TracyProtocol.hpp
+++ b/common/TracyProtocol.hpp
@@ -9,7 +9,7 @@
 namespace tracy
 {
 
-enum : uint32_t { ProtocolVersion = 16 };
+enum : uint32_t { ProtocolVersion = 17 };
 enum : uint32_t { BroadcastVersion = 0 };
 
 using lz4sz_t = uint32_t;
@@ -66,6 +66,7 @@ struct WelcomeMessage
     uint64_t delay;
     uint64_t resolution;
     uint64_t epoch;
+    uint64_t pid;
     uint8_t onDemand;
     uint8_t isApple;
     char programName[WelcomeMessageProgramNameSize];
diff --git a/server/TracyVersion.hpp b/server/TracyVersion.hpp
index 25b75cb8..7aeb790e 100644
--- a/server/TracyVersion.hpp
+++ b/server/TracyVersion.hpp
@@ -7,7 +7,7 @@ namespace Version
 {
 enum { Major = 0 };
 enum { Minor = 5 };
-enum { Patch = 4 };
+enum { Patch = 5 };
 }
 }
 
diff --git a/server/TracyWorker.cpp b/server/TracyWorker.cpp
index a8761478..9c9076a2 100644
--- a/server/TracyWorker.cpp
+++ b/server/TracyWorker.cpp
@@ -324,6 +324,15 @@ Worker::Worker( FileRead& f, EventType::Type eventMask )
     f.Read( m_data.lastTime );
     f.Read( m_data.frameOffset );
 
+    if( fileVer >= FileVersion( 0, 5, 5 ) )
+    {
+        f.Read( m_pid );
+    }
+    else
+    {
+        m_pid = 0;
+    }
+
     uint64_t sz;
     {
         f.Read( sz );
@@ -2099,6 +2108,7 @@ void Worker::Exec()
         m_data.lastTime = initEnd;
         m_delay = TscTime( welcome.delay );
         m_resolution = TscTime( welcome.resolution );
+        m_pid = welcome.pid;
         m_onDemand = welcome.onDemand;
         m_captureProgram = welcome.programName;
         m_captureTime = welcome.epoch;
@@ -4676,6 +4686,7 @@ void Worker::Write( FileWrite& f )
     f.Write( &m_timerMul, sizeof( m_timerMul ) );
     f.Write( &m_data.lastTime, sizeof( m_data.lastTime ) );
     f.Write( &m_data.frameOffset, sizeof( m_data.frameOffset ) );
+    f.Write( &m_pid, sizeof( m_pid ) );
 
     uint64_t sz = m_captureName.size();
     f.Write( &sz, sizeof( sz ) );
diff --git a/server/TracyWorker.hpp b/server/TracyWorker.hpp
index 67be1353..9bea2cec 100644
--- a/server/TracyWorker.hpp
+++ b/server/TracyWorker.hpp
@@ -274,6 +274,7 @@ public:
     const std::string& GetHostInfo() const { return m_hostInfo; }
     int64_t GetDelay() const { return m_delay; }
     int64_t GetResolution() const { return m_resolution; }
+    uint64_t GetPid() const { return m_pid; };
 
     std::shared_mutex& GetDataLock() { return m_data.lock; }
     size_t GetFrameCount( const FrameData& fd ) const { return fd.frames.size(); }
@@ -544,6 +545,7 @@ private:
     std::string m_captureProgram;
     uint64_t m_captureTime;
     std::string m_hostInfo;
+    uint64_t m_pid;
     bool m_terminate = false;
     bool m_crashed = false;
     bool m_disconnect = false;