diff --git a/dlls/hal/hal.spec b/dlls/hal/hal.spec
index f441ac5271f..414e49bfec9 100644
--- a/dlls/hal/hal.spec
+++ b/dlls/hal/hal.spec
@@ -9,7 +9,7 @@
 @ stub KeAcquireQueuedSpinLock
 @ stub KeAcquireQueuedSpinLockRaiseToSynch
 @ stub KeAcquireSpinLockRaiseToSynch
-@ stub KeReleaseInStackQueuedSpinLock
+@ stdcall -norelay KeReleaseInStackQueuedSpinLock(ptr) ntoskrnl.exe.KeReleaseInStackQueuedSpinLock
 @ stub KeReleaseQueuedSpinLock
 @ stub KeTryToAcquireQueuedSpinLock
 @ stub KeTryToAcquireQueuedSpinLockRaiseToSynch
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index b3db46c9275..b72f42cb03e 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -3201,3 +3201,16 @@ void WINAPI KeAcquireInStackQueuedSpinLock( KSPIN_LOCK *spinlock, KLOCK_QUEUE_HA
 {
     FIXME( "stub: %p %p\n", spinlock, handle );
 }
+
+/***********************************************************************
+ *           KeReleaseInStackQueuedSpinLock (NTOSKRNL.EXE.@)
+ */
+#ifdef DEFINE_FASTCALL1_ENTRYPOINT
+DEFINE_FASTCALL1_ENTRYPOINT( KeReleaseInStackQueuedSpinLock )
+void WINAPI __regs_KeReleaseInStackQueuedSpinLock( KLOCK_QUEUE_HANDLE *handle )
+#else
+void WINAPI KeReleaseInStackQueuedSpinLock( KLOCK_QUEUE_HANDLE *handle )
+#endif
+{
+    FIXME( "stub: %p\n", handle);
+}
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
index ba18200c503..e223eadc1a8 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
+++ b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
@@ -43,6 +43,7 @@
 @ stdcall -norelay IofCompleteRequest(ptr long)
 @ stdcall -norelay KeAcquireInStackQueuedSpinLock(ptr ptr)
 @ stub KeAcquireInStackQueuedSpinLockAtDpcLevel
+@ stdcall -norelay KeReleaseInStackQueuedSpinLock(ptr)
 @ stub KeReleaseInStackQueuedSpinLockFromDpcLevel
 @ stub KeSetTimeUpdateNotifyRoutine
 @ stub KefAcquireSpinLockAtDpcLevel