diff --git a/lib/screens/home.dart b/lib/screens/home.dart
index 450b7bd..7f46202 100644
--- a/lib/screens/home.dart
+++ b/lib/screens/home.dart
@@ -136,7 +136,7 @@ class _HomeScreenState extends State<HomeScreen> {
         _files.addAll(
           foundFiles.where(filenameExtensionIsImage).map((f) {
             final String extension =
-                getFileExtension(f) == 'jpg' ? 'jpeg' : 'jpeg';
+                getFileExtension(f) == 'jpg' ? 'jpeg' : getFileExtension(f);
             return ImageFile(
               name: basename(f.path),
               path: f.path,
diff --git a/lib/tools/tools.dart b/lib/tools/tools.dart
index 816a316..055e336 100644
--- a/lib/tools/tools.dart
+++ b/lib/tools/tools.dart
@@ -54,12 +54,14 @@ Future<ProcessResult> doConvert(
           ? ['-j', '0']
           : ['-j', '1'];
 
-  final ProcessResult result = await Process.run('cjxl', [
+  final List<String> arguments = [
     sourcePath,
     outPath,
     ...losslessJpeg,
     ...distance,
-  ]);
+  ];
+
+  final ProcessResult result = await Process.run('cjxl', arguments);
 
   if (result.exitCode == 0) {
     final File inFile = File(sourcePath);
diff --git a/pubspec.yaml b/pubspec.yaml
index 37a1836..2620e0c 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: 0.3.0+1
+version: 0.3.1+1
 
 environment:
   sdk: '>=3.0.6 <4.0.0'