diff --git a/lib/services/trackers/simkl.dart b/lib/services/trackers/simkl.dart
index 136f2503..48559ff4 100644
--- a/lib/services/trackers/simkl.dart
+++ b/lib/services/trackers/simkl.dart
@@ -22,7 +22,7 @@ class Simkl extends _$Simkl implements BaseTracker {
   static final _isDesktop = (Platform.isWindows || Platform.isLinux);
   static final _redirectUri = _isDesktop
       ? 'http://localhost:43824'
-      : 'mangayomi';
+      : 'mangayomi://';
   static const _clientId =
       '1e0a52930b1bdface4e30c1a94a44641475f3c80b69a5ea939562153fccffb68';
   static const _clientSecret =
@@ -43,7 +43,7 @@ class Simkl extends _$Simkl implements BaseTracker {
 
     try {
       final uri = await FlutterWebAuth2.authenticate(
-        url: "$loginUrl&redirect_uri=$callbackUrlScheme",
+        url: "$loginUrl&redirect_uri=$_redirectUri",
         callbackUrlScheme: callbackUrlScheme,
       );
       final code = Uri.parse(uri).queryParameters['code'];
diff --git a/lib/services/trackers/trakt_tv.dart b/lib/services/trackers/trakt_tv.dart
index e26ac34a..cbf19a5a 100644
--- a/lib/services/trackers/trakt_tv.dart
+++ b/lib/services/trackers/trakt_tv.dart
@@ -22,7 +22,7 @@ class TraktTv extends _$TraktTv implements BaseTracker {
   static final _isDesktop = (Platform.isWindows || Platform.isLinux);
   static final _redirectUri = _isDesktop
       ? 'http://localhost:43824'
-      : 'mangayomi';
+      : 'mangayomi://';
   static const _clientId =
       '5520c7e24da0d8d73ec80315b61b9849483583b013cb7f296c6db723eb9886a1';
   static const _clientSecret =