diff --git a/lib/api.js b/lib/api.js
index bc10a04..3e17b11 100644
--- a/lib/api.js
+++ b/lib/api.js
@@ -84,11 +84,13 @@ async function cleanTorrentDir({
     const { name, files } = parseResult
 
     // Get absolute paths of torrent files
-    const torrentFiles = files.map((file) => path.join(dirPath, file))
+    const torrentFiles = files.map((file) =>
+      path.join(dirPath, file).toLowerCase()
+    )
 
     // Get files not listed in the torrent
     const extraFiles = dirFiles.filter(
-      (filename) => torrentFiles.indexOf(filename) === -1
+      (filename) => torrentFiles.indexOf(filename.toLowerCase()) === -1
     )
 
     if (!dryRun) {
diff --git a/lib/config.js b/lib/config.js
index c9ecf6e..80b92a2 100644
--- a/lib/config.js
+++ b/lib/config.js
@@ -79,7 +79,11 @@ exports.loadConfig = async function loadConfig(searchFrom, customConfig) {
   /** @type {TorrentCleanConfig} */
   const mergedConfig = [
     // The closer config to `searchFrom` directory is, the higher its priority
-    ...results.map((result) => result.config).reverse(),
+    ...results
+      .filter(Boolean)
+      // @ts-ignore `.filter(Boolean)` ensures none of `result` below is null
+      .map((result) => result.config)
+      .reverse(),
     customConfig,
   ]
     .filter(Boolean)
diff --git a/package-lock.json b/package-lock.json
index 4db2a78..bb4aa88 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@nikolay-borzov/torrent-clean",
-  "version": "1.7.1",
+  "version": "1.7.2",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 2330acb..5e4f671 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nikolay-borzov/torrent-clean",
-  "version": "1.7.1",
+  "version": "1.7.2",
   "description": "Deletes files that are not listed in selected torrent file",
   "keywords": [
     "torrent",
diff --git a/tests/api.test.js b/tests/api.test.js
index ad1dd77..49637eb 100644
--- a/tests/api.test.js
+++ b/tests/api.test.js
@@ -46,6 +46,9 @@ function createTestDir(tempDirPath) {
               'image2.jpg': '[binary]',
               'image2 (Copy).jpg': '[binary]',
             },
+            Set3: {
+              'image3.jpg': '[binary]',
+            },
             '.edited': {
               'image1.jpg': '[binary]',
             },
@@ -70,7 +73,10 @@ async function createStubTorrent() {
   const file2 = Buffer.from('[binary]')
   file2.name = 'set2/image2.jpg'
 
-  return createTorrent([file1, file2], {
+  const file3 = Buffer.from('[binary]')
+  file3.name = 'set3/image3.jpg'
+
+  return createTorrent([file1, file2, file3], {
     name: 'Nature Wallpapers',
   })
 }
@@ -126,6 +132,21 @@ test('cleanTorrentDir » should clean directory from extra files', async (t) =>
   })
 })
 
+test('cleanTorrentDir » should ignore filename path case', async (t) => {
+  const { tempDir } = t.context
+
+  const { torrentId, dirPath } = await createTestContext(tempDir.path)
+
+  const expectKept = path.join(dirPath, 'Set3/image3.jpg')
+
+  await cleanTorrentDir({
+    torrentId,
+    dirPath,
+  })
+
+  t.true(fs.existsSync(expectKept), `"${expectKept}" should exist`)
+})
+
 test('cleanTorrentDir » should postpone files deleting if `dryRun` is set to `true`', async (t) => {
   const { tempDir } = t.context