diff --git a/android/app/build.gradle b/android/app/build.gradle
index f2280c9..f4bf8ea 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -51,11 +51,17 @@ android {
         versionName flutterVersionName
     }
 
+    signingConfigs {
+        release {
+            storeFile file("release-key.jks")
+            storePassword "iu2t7LwN"
+            keyAlias "my-key"
+            keyPassword "iu2t7LwN"
+        }
+    }
     buildTypes {
         release {
-            // TODO: Add your own signing config for the release build.
-            // Signing with the debug keys for now, so `flutter run --release` works.
-            signingConfig signingConfigs.debug
+            signingConfig signingConfigs.release
         }
     }
 }
diff --git a/lib/widgets/recipe_editor_page.dart b/lib/widgets/recipe_editor_page.dart
index 114c55b..1a03662 100644
--- a/lib/widgets/recipe_editor_page.dart
+++ b/lib/widgets/recipe_editor_page.dart
@@ -132,6 +132,7 @@ class _RecipeEditorPageState extends State<RecipeEditorPage> {
                         Uri.tryParse(value ?? "") == null) {
                       return "Please enter a valid URL";
                     }
+                    return null;
                   },
                   initialValue: widget.initialRecipe?.source,
                   onSaved: (value) {
diff --git a/pubspec.lock b/pubspec.lock
index f52bd5f..828174f 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -393,7 +393,7 @@ packages:
     source: hosted
     version: "2.1.0"
   path:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: path
       sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af"
diff --git a/pubspec.yaml b/pubspec.yaml
index 5dd6959..49921d8 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -32,6 +32,7 @@ dependencies:
   file_selector: ^1.0.3
   flutter:
     sdk: flutter
+  path: ^1.9.0
   path_provider: ^2.1.2
   recipe_extractor: ^2.3.2
   share_plus: ^8.0.3