diff --git a/src/windows-emulator/syscalls/thread.cpp b/src/windows-emulator/syscalls/thread.cpp
index 4952759e..a0f4af92 100644
--- a/src/windows-emulator/syscalls/thread.cpp
+++ b/src/windows-emulator/syscalls/thread.cpp
@@ -18,7 +18,8 @@ namespace syscalls
             return STATUS_INVALID_HANDLE;
         }
 
-        if (info_class == ThreadSchedulerSharedDataSlot || info_class == ThreadBasePriority)
+        if (info_class == ThreadSchedulerSharedDataSlot || info_class == ThreadBasePriority ||
+            info_class == ThreadAffinityMask)
         {
             return STATUS_SUCCESS;
         }