diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index 280bf27d633..e587d055670 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -3722,3 +3722,9 @@ void WINAPI IoReleaseRemoveLockAndWaitEx(PIO_REMOVE_LOCK lock, PVOID tag, ULONG
 {
     FIXME("stub: %p %p %u\n", lock, tag, size);
 }
+
+NTSTATUS WINAPI DbgQueryDebugFilterState(ULONG component, ULONG level)
+{
+    FIXME("stub: %d %d\n", component, level);
+    return STATUS_NOT_IMPLEMENTED;
+}
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
index 71ac8608024..80791149663 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
+++ b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
@@ -111,7 +111,7 @@
 @ varargs DbgPrintEx(long long str)
 @ stub DbgPrintReturnControlC
 @ stub DbgPrompt
-@ stub DbgQueryDebugFilterState
+@ stdcall DbgQueryDebugFilterState(long long)
 @ stub DbgSetDebugFilterState
 @ stdcall ExAcquireResourceExclusiveLite(ptr long)
 @ stub ExAcquireResourceSharedLite
diff --git a/include/ddk/wdm.h b/include/ddk/wdm.h
index d2f84d26884..0cd1673dbe7 100644
--- a/include/ddk/wdm.h
+++ b/include/ddk/wdm.h
@@ -1367,6 +1367,7 @@ static inline void IoSetCompletionRoutine(IRP *irp, PIO_COMPLETION_ROUTINE routi
 #define SYMBOLIC_LINK_QUERY             0x0001
 #define SYMBOLIC_LINK_ALL_ACCESS        (STANDARD_RIGHTS_REQUIRED | 0x1)
 
+NTSTATUS  WINAPI DbgQueryDebugFilterState(ULONG, ULONG);
 void      WINAPI ExAcquireFastMutexUnsafe(PFAST_MUTEX);
 PVOID     WINAPI ExAllocatePool(POOL_TYPE,SIZE_T);
 PVOID     WINAPI ExAllocatePoolWithQuota(POOL_TYPE,SIZE_T);