diff --git a/app/src/main/java/de/kuschku/quasseldroid/ui/clientsettings/client/ClientSettingsActivity.kt b/app/src/main/java/de/kuschku/quasseldroid/ui/clientsettings/client/ClientSettingsActivity.kt
index d7f8485f6966d6ad37328935c94d1e3bddff3ad4..37ef97d510a1a419c41114414cf55b991c25a845 100644
--- a/app/src/main/java/de/kuschku/quasseldroid/ui/clientsettings/client/ClientSettingsActivity.kt
+++ b/app/src/main/java/de/kuschku/quasseldroid/ui/clientsettings/client/ClientSettingsActivity.kt
@@ -34,7 +34,7 @@ class ClientSettingsActivity : SettingsActivity(ClientSettingsFragment()),
       is ListPreference -> {
         val f = ListPreferenceDialogFragmentCompat.newInstance(pref.getKey())
         f.setTargetFragment(fragment, 0)
-        f.show(supportFragmentManager!!, DIALOG_FRAGMENT_TAG)
+        f.show(supportFragmentManager, DIALOG_FRAGMENT_TAG)
         true
       }
       else              -> false