diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index bf735b4..48655ec 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -9,7 +9,7 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:usesCleartextTraffic="true"
+        android:networkSecurityConfig="@xml/network_security_config"
         android:theme="@style/Theme.ShapPlanner">
         <activity
             android:name=".activities.MainActivity"
diff --git a/app/src/main/java/de/miaurizius/shap_planner/TokenStorage.kt b/app/src/main/java/de/miaurizius/shap_planner/TokenStorage.kt
index 7482fc7..d0cff8c 100644
--- a/app/src/main/java/de/miaurizius/shap_planner/TokenStorage.kt
+++ b/app/src/main/java/de/miaurizius/shap_planner/TokenStorage.kt
@@ -12,7 +12,7 @@ class TokenStorage(context: Context) {
 
     private val prefs = EncryptedSharedPreferences.create(
         context,
-        "wg_token_prefs",
+        "wg_token_prefs2",
         masterKey,
         EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV,
         EncryptedSharedPreferences.PrefValueEncryptionScheme.AES256_GCM
diff --git a/app/src/main/java/de/miaurizius/shap_planner/network/RetrofitProvider.kt b/app/src/main/java/de/miaurizius/shap_planner/network/RetrofitProvider.kt
index e233e1f..a113b4b 100644
--- a/app/src/main/java/de/miaurizius/shap_planner/network/RetrofitProvider.kt
+++ b/app/src/main/java/de/miaurizius/shap_planner/network/RetrofitProvider.kt
@@ -8,7 +8,7 @@ import retrofit2.converter.gson.GsonConverterFactory
 object RetrofitProvider {
 
     fun create(serverUrl: String): APIService {
-        val base = if (serverUrl.endsWith("/")) serverUrl else "$serverUrl/"
+        val base = if (serverUrl.endsWith("/")) "https://$serverUrl" else "https://$serverUrl/"
 
         val logger = HttpLoggingInterceptor().apply { level = HttpLoggingInterceptor.Level.BASIC }
 
diff --git a/app/src/main/java/de/miaurizius/shap_planner/room/AppDatabase.kt b/app/src/main/java/de/miaurizius/shap_planner/room/AppDatabase.kt
index dbb3f7c..966057a 100644
--- a/app/src/main/java/de/miaurizius/shap_planner/room/AppDatabase.kt
+++ b/app/src/main/java/de/miaurizius/shap_planner/room/AppDatabase.kt
@@ -7,7 +7,7 @@ import androidx.room.RoomDatabase
 import de.miaurizius.shap_planner.entities.Account
 import de.miaurizius.shap_planner.entities.AccountDao
 
-@Database(entities = [Account::class], version = 3)
+@Database(entities = [Account::class], version = 4)
 abstract class AppDatabase : RoomDatabase() {
     abstract fun accountDao(): AccountDao
     companion object {
diff --git a/app/src/main/java/de/miaurizius/shap_planner/ui/screens/LoginScreen.kt b/app/src/main/java/de/miaurizius/shap_planner/ui/screens/LoginScreen.kt
index 67b68f4..6cec987 100644
--- a/app/src/main/java/de/miaurizius/shap_planner/ui/screens/LoginScreen.kt
+++ b/app/src/main/java/de/miaurizius/shap_planner/ui/screens/LoginScreen.kt
@@ -39,7 +39,7 @@ fun LoginScreen(onLogin: (String, String, String) -> Unit, onBack: (() -> Unit)?
         TextField(
             value = serverUrl,
             onValueChange = { serverUrl = it },
-            label = { Text("Server-URL") }
+            label = { Text("Server-Domain") }
         )
         Spacer(modifier = Modifier.height(8.dp))
 
diff --git a/app/src/main/res/xml/network_security_config.xml b/app/src/main/res/xml/network_security_config.xml
new file mode 100644
index 0000000..611b0ca
--- /dev/null
+++ b/app/src/main/res/xml/network_security_config.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<network-security-config>
+    <debug-overrides>
+        <trust-anchors>
+            <certificates src="user" />
+        </trust-anchors>
+    </debug-overrides>
+</network-security-config>
\ No newline at end of file