diff --git a/app/src/Controllers/FileController.php b/app/src/Controllers/FileController.php
index c0b9661..7de92f8 100644
--- a/app/src/Controllers/FileController.php
+++ b/app/src/Controllers/FileController.php
@@ -29,7 +29,7 @@ class FileController
             return $response->withStatus(404, $this->translator->trans('error.file_not_found'));
         }
 
-        $response = $response->withHeader('Content-Disposition', sprintf('attachment; filename="%s"', $file->getFilename()));
+        $response = $response->withHeader('Content-Disposition', sprintf('inline; filename="%s"', $file->getFilename()));
         $response = $response->withHeader('Content-Type', $this->contentType($file));
 
         if ($file->getSize() !== false) {
diff --git a/tests/Controllers/FileControllerTest.php b/tests/Controllers/FileControllerTest.php
index f566fe6..0f549db 100644
--- a/tests/Controllers/FileControllerTest.php
+++ b/tests/Controllers/FileControllerTest.php
@@ -29,7 +29,7 @@ class FileControllerTest extends TestCase
         $this->assertSame(200, $response->getStatusCode());
 
         $this->assertSame([
-            'Content-Disposition' => ['attachment; filename="README.md"'],
+            'Content-Disposition' => ['inline; filename="README.md"'],
             'Content-Type' => ['text/plain'],
             'Content-Length' => ['30'],
         ], $response->getHeaders());