diff --git a/app/src/main/java/oppen/ariane/ui/settings/SettingsFragment.kt b/app/src/main/java/oppen/ariane/ui/settings/SettingsFragment.kt
index 23b35bd..fd8bd01 100644
--- a/app/src/main/java/oppen/ariane/ui/settings/SettingsFragment.kt
+++ b/app/src/main/java/oppen/ariane/ui/settings/SettingsFragment.kt
@@ -41,19 +41,32 @@ class SettingsFragment: PreferenceFragmentCompat(), Preference.OnPreferenceChang
     }
 
     override fun onPreferenceChange(preference: Preference?, newValue: Any?): Boolean {
-
-        preference?.key?.let{ key ->
-            if(key.startsWith("tls_")){
-                protocols.forEach {protocol ->
-                    val tlsSwitchKey = "tls_${protocol.toLowerCase(Locale.getDefault())}"
-                    if(tlsSwitchKey != key){
-                        val otherTLSSwitch = preferenceScreen.findPreference<SwitchPreferenceCompat>(tlsSwitchKey)
-                        otherTLSSwitch?.isChecked = false
+        if(preference is SwitchPreferenceCompat && newValue is Boolean && newValue == true) {
+            preference.key?.let { key ->
+                if (key.startsWith("tls_")) {
+                    protocols.forEach { protocol ->
+                        val tlsSwitchKey = "tls_${protocol.toLowerCase(Locale.getDefault())}"
+                        if (tlsSwitchKey != key) {
+                            val otherTLSSwitch =
+                                preferenceScreen.findPreference<SwitchPreferenceCompat>(tlsSwitchKey)
+                            otherTLSSwitch?.isChecked = false
+                        }
                     }
                 }
             }
+
+            setTLSProtocol(preference.title.toString())
+
+            return  true
         }
 
-       return  true
+        return false
+    }
+
+    private fun setTLSProtocol(protocol: String){
+        preferenceManager.sharedPreferences.edit().putString(
+            "tls_protocol",
+            protocol
+        ).apply()
     }
 }