diff --git a/dom/webauthn/U2FTokenManager.cpp b/dom/webauthn/U2FTokenManager.cpp
index f5966d46782f..91dd112cfdee 100644
--- a/dom/webauthn/U2FTokenManager.cpp
+++ b/dom/webauthn/U2FTokenManager.cpp
@@ -16,7 +16,7 @@
 #include "mozilla/Unused.h"
 #include "nsTextFormatter.h"
 
-#ifdef ANDROID
+#ifdef MOZ_WIDGET_ANDROID
 #  include "mozilla/dom/AndroidWebAuthnTokenManager.h"
 #endif
 
@@ -268,7 +268,7 @@ RefPtr<U2FTokenTransport> U2FTokenManager::GetTokenManagerImpl() {
 
   auto pm = U2FPrefManager::Get();
 
-#ifdef ANDROID
+#ifdef MOZ_WIDGET_ANDROID
   // On Android, prefer the platform support if enabled.
   if (pm->GetAndroidFido2Enabled()) {
     return AndroidWebAuthnTokenManager::GetInstance();
diff --git a/dom/webauthn/moz.build b/dom/webauthn/moz.build
index 0def39385cf5..398e94cf719a 100644
--- a/dom/webauthn/moz.build
+++ b/dom/webauthn/moz.build
@@ -63,7 +63,7 @@ LOCAL_INCLUDES += [
     '/security/manager/ssl',
 ]
 
-if CONFIG['OS_TARGET'] == 'Android':
+if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'android':
     EXPORTS.mozilla.dom += [
         'AndroidWebAuthnTokenManager.h',
     ]