diff --git a/Source/Threading/Threads/AuOSThread.cpp b/Source/Threading/Threads/AuOSThread.cpp
index 0f53c6e4..8d94eb53 100644
--- a/Source/Threading/Threads/AuOSThread.cpp
+++ b/Source/Threading/Threads/AuOSThread.cpp
@@ -559,6 +559,7 @@ namespace Aurora::Threading::Threads
     {
         uClockCreationTime[0] = AuTime::CurrentClockNS();
         uClockCreationTime[1] = AuTime::SteadyClockNS();
+        uClockCreationTime[2] = AuTime::ProcessClockNS();
     }
 
     AuUInt64 OSThread::GetThreadCreationTime(Time::EClock eClock)
@@ -575,6 +576,8 @@ namespace Aurora::Threading::Threads
             return uClockCreationTime[0];
         case Time::EClock::eSteady:
             return uClockCreationTime[1];
+        case Time::EClock::eProcessTime:
+            return uClockCreationTime[2];
         default:
             SysPushErrorArg();
             return {};
diff --git a/Source/Threading/Threads/AuOSThread.hpp b/Source/Threading/Threads/AuOSThread.hpp
index a400b0d9..7cbdd843 100644
--- a/Source/Threading/Threads/AuOSThread.hpp
+++ b/Source/Threading/Threads/AuOSThread.hpp
@@ -112,7 +112,7 @@ namespace Aurora::Threading::Threads
         Primitives::CriticalSection exitOnlyOnce_;
         AuList<AuSPtr<IThreadFeature>> threadFeatures_;
         AuBinarySemaphore         epExecEvent;
-        AuUInt64                  uClockCreationTime[2] {};
+        AuUInt64                  uClockCreationTime[3] {};
 
         AuFunction<void()> task_;