diff --git a/tun/wintun/registry/registry_windows.go b/tun/wintun/registry/registry_windows.go
index 8c63c9b..415aa00 100644
--- a/tun/wintun/registry/registry_windows.go
+++ b/tun/wintun/registry/registry_windows.go
@@ -16,10 +16,6 @@ import (
 	"golang.org/x/sys/windows/registry"
 )
 
-const (
-	KEY_NOTIFY uint32 = 0x0010 // should be defined upstream as registry.KEY_NOTIFY
-)
-
 const (
 	// REG_NOTIFY_CHANGE_NAME notifies the caller if a subkey is added or deleted.
 	REG_NOTIFY_CHANGE_NAME uint32 = 0x00000001
@@ -66,7 +62,7 @@ func OpenKeyWait(k registry.Key, path string, access uint32, timeout time.Durati
 			if isLast {
 				accessFlags = access
 			} else {
-				accessFlags = KEY_NOTIFY
+				accessFlags = registry.NOTIFY
 			}
 			key, err = registry.OpenKey(k, keyName, accessFlags)
 			if err == windows.ERROR_FILE_NOT_FOUND || err == windows.ERROR_PATH_NOT_FOUND {
@@ -97,7 +93,7 @@ func OpenKeyWait(k registry.Key, path string, access uint32, timeout time.Durati
 }
 
 func WaitForKey(k registry.Key, path string, timeout time.Duration) error {
-	key, err := OpenKeyWait(k, path, KEY_NOTIFY, timeout)
+	key, err := OpenKeyWait(k, path, registry.NOTIFY, timeout)
 	if err != nil {
 		return err
 	}
@@ -109,7 +105,7 @@ func WaitForKey(k registry.Key, path string, timeout time.Duration) error {
 // getStringValueRetry function reads a string value from registry. It waits for
 // the registry value to become available or returns error on timeout.
 //
-// Key must be opened with at least QUERY_VALUE|KEY_NOTIFY access.
+// Key must be opened with at least QUERY_VALUE|NOTIFY access.
 //
 func getStringValueRetry(key registry.Key, name string, timeout time.Duration, useFirstFromMulti bool) (string, uint32, error) {
 	runtime.LockOSThread()
@@ -184,7 +180,7 @@ func expandString(value string, valueType uint32, err error) (string, error) {
 // GetStringValueWait function reads a string value from registry. It waits
 // for the registry value to become available or returns error on timeout.
 //
-// Key must be opened with at least QUERY_VALUE|KEY_NOTIFY access.
+// Key must be opened with at least QUERY_VALUE|NOTIFY access.
 //
 // If the value type is REG_EXPAND_SZ the environment variables are expanded.
 // Should expanding fail, original string value and nil error are returned.
@@ -217,7 +213,7 @@ func GetStringValue(key registry.Key, name string) (string, error) {
 // It waits for the registry value to become available or returns error on
 // timeout.
 //
-// Key must be opened with at least QUERY_VALUE|KEY_NOTIFY access.
+// Key must be opened with at least QUERY_VALUE|NOTIFY access.
 //
 func GetIntegerValueWait(key registry.Key, name string, timeout time.Duration) (uint64, error) {
 	runtime.LockOSThread()
diff --git a/tun/wintun/registry/registry_windows_test.go b/tun/wintun/registry/registry_windows_test.go
index c5a6e28..c56b51b 100644
--- a/tun/wintun/registry/registry_windows_test.go
+++ b/tun/wintun/registry/registry_windows_test.go
@@ -66,7 +66,7 @@ func Test_GetValueWait(t *testing.T) {
 		key.Close()
 	}()
 
-	key, err := OpenKeyWait(keyRoot, path, registry.QUERY_VALUE|KEY_NOTIFY, time.Second*2)
+	key, err := OpenKeyWait(keyRoot, path, registry.QUERY_VALUE|registry.NOTIFY, time.Second*2)
 	if err != nil {
 		t.Errorf("Error waiting for registry key: %v", err)
 	}
diff --git a/tun/wintun/wintun_windows.go b/tun/wintun/wintun_windows.go
index 8163f94..7327f98 100644
--- a/tun/wintun/wintun_windows.go
+++ b/tun/wintun/wintun_windows.go
@@ -299,7 +299,7 @@ func CreateInterface(description string, hwndParent uintptr) (*Wintun, bool, err
 			if i != 0 {
 				time.Sleep(pollTimeout)
 			}
-			key, err = devInfoList.OpenDevRegKey(deviceData, setupapi.DICS_FLAG_GLOBAL, 0, setupapi.DIREG_DRV, registry.QUERY_VALUE|registryEx.KEY_NOTIFY)
+			key, err = devInfoList.OpenDevRegKey(deviceData, setupapi.DICS_FLAG_GLOBAL, 0, setupapi.DIREG_DRV, registry.QUERY_VALUE|registry.NOTIFY)
 			if err == nil {
 				break
 			}
@@ -326,7 +326,7 @@ func CreateInterface(description string, hwndParent uintptr) (*Wintun, bool, err
 		key, err = registryEx.OpenKeyWait(
 			registry.LOCAL_MACHINE,
 			wintun.GetNetRegKeyName(),
-			registry.QUERY_VALUE|registryEx.KEY_NOTIFY,
+			registry.QUERY_VALUE|registry.NOTIFY,
 			waitForRegistryTimeout)
 		if err == nil {
 			_, err = registryEx.GetStringValueWait(key, "Name", waitForRegistryTimeout)
@@ -338,7 +338,7 @@ func CreateInterface(description string, hwndParent uintptr) (*Wintun, bool, err
 		// Wait for TCP/IP adapter registry key to emerge and populate.
 		key, err = registryEx.OpenKeyWait(
 			registry.LOCAL_MACHINE,
-			wintun.GetTcpipAdapterRegKeyName(), registry.QUERY_VALUE|registryEx.KEY_NOTIFY,
+			wintun.GetTcpipAdapterRegKeyName(), registry.QUERY_VALUE|registry.NOTIFY,
 			waitForRegistryTimeout)
 		if err == nil {
 			_, err = registryEx.GetFirstStringValueWait(key, "IpConfig", waitForRegistryTimeout)