diff --git a/src/windows-emulator/syscalls.cpp b/src/windows-emulator/syscalls.cpp
index 439e5ff6..b1f7c8c7 100644
--- a/src/windows-emulator/syscalls.cpp
+++ b/src/windows-emulator/syscalls.cpp
@@ -1566,6 +1566,8 @@ namespace
 
 				thread_iterator->second.teb->access([&](TEB& teb)
 				{
+					entry.ThreadId = reinterpret_cast<ULONG_PTR>(teb.ClientId.UniqueThread);
+
 					const auto tls_vector = static_cast<PVOID*>(teb.ThreadLocalStoragePointer);
 
 					if (tls_info.TlsRequest == ProcessTlsReplaceIndex)