diff --git a/app/build.gradle b/app/build.gradle
index c3b34049..b85c0462 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -38,7 +38,7 @@ android {
         minSdkVersion 16
         targetSdkVersion 30
         versionCode 63
-        versionName "5.1.5"
+        versionName "5.1.5-hotfix1"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
     }
diff --git a/app/release/output-metadata.json b/app/release/output-metadata.json
index af776550..1000187d 100644
--- a/app/release/output-metadata.json
+++ b/app/release/output-metadata.json
@@ -11,7 +11,7 @@
       "type": "SINGLE",
       "filters": [],
       "versionCode": 63,
-      "versionName": "5.1.5",
+      "versionName": "5.1.5-hotfix1",
       "outputFile": "app-release.apk"
     }
   ]
diff --git a/app/src/main/java/xyz/quaver/pupil/ui/fragment/SettingsFragment.kt b/app/src/main/java/xyz/quaver/pupil/ui/fragment/SettingsFragment.kt
index b57ec30c..20ab37cd 100644
--- a/app/src/main/java/xyz/quaver/pupil/ui/fragment/SettingsFragment.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/fragment/SettingsFragment.kt
@@ -255,13 +255,15 @@ class SettingsFragment :
                             isEnabled = false
 
                             CoroutineScope(Dispatchers.IO).launch {
-                                val languages = getAvailableLanguages().distinct().toTypedArray()
+                                kotlin.runCatching {
+                                    val languages = getAvailableLanguages().distinct().toTypedArray()
 
-                                entries = languages.map { Locale(it).let { loc -> loc.getDisplayLanguage(loc) } }.toTypedArray()
-                                entryValues = languages
+                                    entries = languages.map { Locale(it).let { loc -> loc.getDisplayLanguage(loc) } }.toTypedArray()
+                                    entryValues = languages
 
-                                launch(Dispatchers.Main) {
-                                    isEnabled = true
+                                    launch(Dispatchers.Main) {
+                                        isEnabled = true
+                                    }
                                 }
                             }
 
diff --git a/app/src/main/java/xyz/quaver/pupil/util/downloader/DownloadManager.kt b/app/src/main/java/xyz/quaver/pupil/util/downloader/DownloadManager.kt
index d9520c82..9b2e209c 100644
--- a/app/src/main/java/xyz/quaver/pupil/util/downloader/DownloadManager.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/downloader/DownloadManager.kt
@@ -80,7 +80,7 @@ class DownloadManager private constructor(context: Context) : ContextWrapper(con
                 }.invoke()
             }
 
-            return downloadFolderMapInstance!!
+            return downloadFolderMapInstance ?: mutableMapOf()
         }