diff --git a/dlls/netio.sys/netio.c b/dlls/netio.sys/netio.c
index 5cd847dfcd3..6a8a002ebef 100644
--- a/dlls/netio.sys/netio.c
+++ b/dlls/netio.sys/netio.c
@@ -29,10 +29,18 @@
 #include "winioctl.h"
 #include "winternl.h"
 #include "ddk/wdm.h"
+#include "ddk/wsk.h"
 #include "wine/debug.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(netio);
 
+NTSTATUS WINAPI WskRegister(WSK_CLIENT_NPI *wsk_client_npi, WSK_REGISTRATION *wsk_registration)
+{
+    FIXME("wsk_client_npi %p, wsk_registration %p stub.\n", wsk_client_npi, wsk_registration);
+
+    return STATUS_NOT_IMPLEMENTED;
+}
+
 static void WINAPI driver_unload(DRIVER_OBJECT *driver)
 {
     TRACE("driver %p.\n", driver);
diff --git a/dlls/netio.sys/netio.sys.spec b/dlls/netio.sys/netio.sys.spec
index a390f96674c..d886ab8db9e 100644
--- a/dlls/netio.sys/netio.sys.spec
+++ b/dlls/netio.sys/netio.sys.spec
@@ -387,5 +387,5 @@
 @ stub WskCaptureProviderNPI
 @ stub WskDeregister
 @ stub WskQueryProviderCharacteristics
-@ stub WskRegister
+@ stdcall WskRegister(ptr ptr)
 @ stub WskReleaseProviderNPI
diff --git a/include/ddk/wsk.h b/include/ddk/wsk.h
index c7100bb7997..835adbba9dc 100644
--- a/include/ddk/wsk.h
+++ b/include/ddk/wsk.h
@@ -110,6 +110,8 @@ typedef struct _WSK_PROVIDER_NPI
     const WSK_PROVIDER_DISPATCH *Dispatch;
 } WSK_PROVIDER_NPI, *PWSK_PROVIDER_NPI;
 
+NTSTATUS WINAPI WskRegister(WSK_CLIENT_NPI *wsk_client_npi, WSK_REGISTRATION *wsk_registration);
+
 #ifdef __cplusplus
 }
 #endif