diff --git a/lib/app_sources/github.dart b/lib/app_sources/github.dart
index 7823517..f9c53d3 100644
--- a/lib/app_sources/github.dart
+++ b/lib/app_sources/github.dart
@@ -53,11 +53,12 @@ class GitHub extends AppSource {
         additionalValidators: [
           (value) {
             try {
-              if (Uri.parse(
-                'https://${value}/api.github.com',
-              ).scheme.isNotEmpty) {
+              if (value != null && Uri.parse(value).scheme.isNotEmpty) {
                 throw true;
               }
+              if (value != null) {
+                Uri.parse('https://${value}/api.github.com');
+              }
             } catch (e) {
               return tr('invalidInput');
             }
@@ -288,6 +289,9 @@ class GitHub extends AppSource {
       settingsProvider,
     );
     String? creds = sourceConfig['github-creds'];
+    if ((additionalSettings['GHReqPrefix'] as String? ?? '').isNotEmpty) {
+      creds = null;
+    }
     if (creds != null) {
       var userNameEndIndex = creds.indexOf(':');
       if (userNameEndIndex > 0) {
diff --git a/pubspec.lock b/pubspec.lock
index 0144e81..05247eb 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -852,10 +852,10 @@ packages:
     dependency: transitive
     description:
       name: shared_preferences_android
-      sha256: a2608114b1ffdcbc9c120eb71a0e207c71da56202852d4aab8a5e30a82269e74
+      sha256: bd14436108211b0d4ee5038689a56d4ae3620fd72fd6036e113bf1345bc74d9e
       url: "https://pub.dev"
     source: hosted
-    version: "2.4.12"
+    version: "2.4.13"
   shared_preferences_foundation:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index d1a870b..0fd184c 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -16,7 +16,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 1.2.5+2321
+version: 1.2.6+2322
 
 environment:
   sdk: ^3.8.1