diff --git a/dlls/advapi32/advapi.c b/dlls/advapi32/advapi.c
index ce91cf9276a..0145b2d843d 100644
--- a/dlls/advapi32/advapi.c
+++ b/dlls/advapi32/advapi.c
@@ -297,3 +297,10 @@ void WINAPI RegisterWaitChainCOMCallback(PCOGETCALLSTATE call_state_cb,
 {
     FIXME("%p, %p\n", call_state_cb, activation_state_cb);
 }
+
+HWCT WINAPI OpenThreadWaitChainSession(DWORD flags, PWAITCHAINCALLBACK callback)
+{
+    FIXME("flags %ld, callback %p stub!\n", flags, callback);
+    SetLastError(ERROR_NOT_SUPPORTED);
+    return NULL;
+}
diff --git a/dlls/advapi32/advapi32.spec b/dlls/advapi32/advapi32.spec
index cefc8dc2899..f17e1f2645e 100644
--- a/dlls/advapi32/advapi32.spec
+++ b/dlls/advapi32/advapi32.spec
@@ -548,7 +548,7 @@
 @ stdcall -import OpenServiceA(long str long)
 @ stdcall -import OpenServiceW(long wstr long)
 @ stdcall -import OpenThreadToken(long long long ptr)
-# @ stub OpenThreadWaitChainSession
+@ stdcall OpenThreadWaitChainSession(long ptr)
 @ stdcall -ret64 OpenTraceA(ptr)
 @ stdcall -ret64 -import OpenTraceW(ptr)
 # @ stub OperationEnd