diff --git a/app/src/main/java/live/mehiz/mpvkt/ui/player/PlayerActivity.kt b/app/src/main/java/live/mehiz/mpvkt/ui/player/PlayerActivity.kt
index 74ac9f0..d48c61d 100644
--- a/app/src/main/java/live/mehiz/mpvkt/ui/player/PlayerActivity.kt
+++ b/app/src/main/java/live/mehiz/mpvkt/ui/player/PlayerActivity.kt
@@ -264,7 +264,8 @@ class PlayerActivity : AppCompatActivity() {
           .copyTo(File("$cachePath/fonts/subfont.ttf").outputStream())
       }
       DocumentFile.fromTreeUri(this, Uri.parse(subtitlesPreferences.fontsFolder.get()))?.listFiles()?.forEach {
-        if (it.isDirectory || fontsDir.findFile(it.name!!)?.exists() == true) return
+        if (it.isDirectory || fontsDir.findFile(it.name!!)?.exists() == true) return@forEach
+        if (!it.name!!.endsWith("ttf", true) || !it.name!!.endsWith("otf")) return@forEach
         val input = contentResolver.openInputStream(it.uri)
         input!!.copyTo(File("$cachePath/fonts/${it.name}").outputStream())
         input.close()
diff --git a/app/src/main/java/live/mehiz/mpvkt/ui/player/controls/components/sheets/subtitles/SubtitleSettingsTypographyCard.kt b/app/src/main/java/live/mehiz/mpvkt/ui/player/controls/components/sheets/subtitles/SubtitleSettingsTypographyCard.kt
index cd810c7..ab0e490 100644
--- a/app/src/main/java/live/mehiz/mpvkt/ui/player/controls/components/sheets/subtitles/SubtitleSettingsTypographyCard.kt
+++ b/app/src/main/java/live/mehiz/mpvkt/ui/player/controls/components/sheets/subtitles/SubtitleSettingsTypographyCard.kt
@@ -67,9 +67,16 @@ fun SubtitleSettingsTypographyCard(
     mutableStateOf(indicator)
   }
   LaunchedEffect(Unit) {
+    if (!preferences.fontsFolder.isSet()) {
+      fontsLoadingIndicator = null
+      return@LaunchedEffect
+    }
     withContext(Dispatchers.IO) {
       fonts.addAll(
-        DocumentFile.fromTreeUri(context, Uri.parse(preferences.fontsFolder.get()))!!.listFiles().filter {
+        DocumentFile.fromTreeUri(
+          context,
+          Uri.parse(preferences.fontsFolder.get()),
+        )!!.listFiles().filter {
           it.isFile && (it.name!!.endsWith("ttf", true) || it.name!!.endsWith("otf", true))
         }.map { TTFFile.open(context.contentResolver.openInputStream(it.uri)!!).families.values.first() },
       )