From b5bafbf23ada1fbb2aa5f72251dc5ff0f0ff0542 Mon Sep 17 00:00:00 2001
From: Jonas Kvinge <jonas@jkvinge.net>
Date: Sun, 7 Mar 2021 00:53:33 +0100
Subject: [PATCH] Lowercase file extension

---
 src/covermanager/albumcoverchoicecontroller.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/covermanager/albumcoverchoicecontroller.cpp b/src/covermanager/albumcoverchoicecontroller.cpp
index a176c2b6d..523b20c91 100644
--- a/src/covermanager/albumcoverchoicecontroller.cpp
+++ b/src/covermanager/albumcoverchoicecontroller.cpp
@@ -245,7 +245,7 @@ void AlbumCoverChoiceController::SaveCoverToFileManual(const Song &song, const A
     fileinfo.setFile(save_filename);
   }
 
-  if (!QImageWriter::supportedImageFormats().contains(fileinfo.completeSuffix().toUtf8())) {
+  if (!QImageWriter::supportedImageFormats().contains(fileinfo.completeSuffix().toUtf8().toLower())) {
     save_filename = Utilities::PathWithoutFilenameExtension(save_filename) + ".jpg";
     fileinfo.setFile(save_filename);
   }