diff --git a/renderdoc/os/os_specific.h b/renderdoc/os/os_specific.h
index cffc867fe..373cdc85a 100644
--- a/renderdoc/os/os_specific.h
+++ b/renderdoc/os/os_specific.h
@@ -147,6 +147,7 @@ typedef uint64_t ThreadHandle;
 ThreadHandle CreateThread(std::function<void()> entryFunc);
 uint64_t GetCurrentID();
 void JoinThread(ThreadHandle handle);
+void DetachThread(ThreadHandle handle);
 void CloseThread(ThreadHandle handle);
 void Sleep(uint32_t milliseconds);
 
diff --git a/renderdoc/os/posix/posix_threading.cpp b/renderdoc/os/posix/posix_threading.cpp
index 9f9108336..cc092ee4e 100644
--- a/renderdoc/os/posix/posix_threading.cpp
+++ b/renderdoc/os/posix/posix_threading.cpp
@@ -282,6 +282,10 @@ void JoinThread(ThreadHandle handle)
 {
   pthread_join((pthread_t)handle, NULL);
 }
+void DetachThread(ThreadHandle handle)
+{
+  pthread_detach((pthread_t)handle);
+}
 void CloseThread(ThreadHandle handle)
 {
 }
diff --git a/renderdoc/os/win32/win32_threading.cpp b/renderdoc/os/win32/win32_threading.cpp
index 4f7996e42..ce4bd0c32 100644
--- a/renderdoc/os/win32/win32_threading.cpp
+++ b/renderdoc/os/win32/win32_threading.cpp
@@ -273,6 +273,13 @@ void JoinThread(ThreadHandle handle)
   WaitForSingleObject((HANDLE)handle, INFINITE);
 }
 
+void DetachThread(ThreadHandle handle)
+{
+  if(handle == 0)
+    return;
+  CloseHandle((HANDLE)handle);
+}
+
 void CloseThread(ThreadHandle handle)
 {
   if(handle == 0)