diff --git a/app/src/main/java/app/fedilab/fedilabtube/LoginActivity.java b/app/src/main/java/app/fedilab/fedilabtube/LoginActivity.java
index f9ea8c9..11f08a6 100644
--- a/app/src/main/java/app/fedilab/fedilabtube/LoginActivity.java
+++ b/app/src/main/java/app/fedilab/fedilabtube/LoginActivity.java
@@ -119,21 +119,23 @@ public class LoginActivity extends AppCompatActivity {
 
         connectionButton = findViewById(R.id.login_button);
 
-        login_uid.setOnFocusChangeListener((v, hasFocus) -> {
-            if (!hasFocus) {
-                if (android.util.Patterns.EMAIL_ADDRESS.matcher(login_uid.getText().toString().trim()).matches()) {
-                    String[] emailArray = login_uid.getText().toString().split("@");
-                    if (emailArray.length > 1 && Arrays.asList(Helper.openid).contains(emailArray[1])) {
-                        connectionButton.callOnClick();
+        if (!BuildConfig.full_instances) {
+            login_uid.setOnFocusChangeListener((v, hasFocus) -> {
+                if (!hasFocus) {
+                    if (android.util.Patterns.EMAIL_ADDRESS.matcher(login_uid.getText().toString().trim()).matches()) {
+                        String[] emailArray = login_uid.getText().toString().split("@");
+                        if (emailArray.length > 1 && Arrays.asList(Helper.openid).contains(emailArray[1])) {
+                            connectionButton.callOnClick();
+                        }
                     }
                 }
-            }
-        });
+            });
+        }
 
 
         connectionButton.setOnClickListener(v -> {
 
-            if (!android.util.Patterns.EMAIL_ADDRESS.matcher(login_uid.getText().toString().trim()).matches()) {
+            if (login_uid.getText().toString().contains("@") && !android.util.Patterns.EMAIL_ADDRESS.matcher(login_uid.getText().toString().trim()).matches()) {
                 Toasty.error(LoginActivity.this, getString(R.string.email_error)).show();
                 return;
             }