diff --git a/Controllers/UserContentController.cs b/Controllers/UserContentController.cs
index 413a4af..3ca1457 100644
--- a/Controllers/UserContentController.cs
+++ b/Controllers/UserContentController.cs
@@ -81,7 +81,7 @@ public class UserContentController : ControllerBase
         // A good idea would be to also check the Content-Type
         // of submitted files. ~eee4
 
-        List<string> allowedExtensions = new List<string>() { ".jpg", ".png", ".jfif", ".gif", ".avif", ".webp" };
+        List<string> allowedExtensions = new List<string>() { ".jpg", ".jpeg", ".jfif", ".png", ".gif", ".avif", ".webp" };
 
         string fileExtension = Path.GetExtension(file.FileName);
         if (!allowedExtensions.Contains(fileExtension.ToLower())) {