diff --git a/src/ko/newtoki/src/eu/kanade/tachiyomi/extension/ko/newtoki/NewToki.kt b/src/ko/newtoki/src/eu/kanade/tachiyomi/extension/ko/newtoki/NewToki.kt
index 802c4da0f..231dea02c 100644
--- a/src/ko/newtoki/src/eu/kanade/tachiyomi/extension/ko/newtoki/NewToki.kt
+++ b/src/ko/newtoki/src/eu/kanade/tachiyomi/extension/ko/newtoki/NewToki.kt
@@ -246,7 +246,7 @@ open class NewToki(override val name: String, private val defaultBaseUrl: String
         screen.addPreference(baseUrlPref)
     }
 
-    private fun getPrefBaseUrl(): String = preferences.getString(BASE_URL_PREF, defaultBaseUrl)
+    private fun getPrefBaseUrl(): String = preferences.getString(BASE_URL_PREF, defaultBaseUrl)!!
 
     companion object {
         private const val BASE_URL_PREF_TITLE = "Override BaseUrl"