diff --git a/app/src/main/java/app/fedilab/android/mastodon/helper/TranslateHelper.java b/app/src/main/java/app/fedilab/android/mastodon/helper/TranslateHelper.java
index 7f91a364..7b0e9584 100644
--- a/app/src/main/java/app/fedilab/android/mastodon/helper/TranslateHelper.java
+++ b/app/src/main/java/app/fedilab/android/mastodon/helper/TranslateHelper.java
@@ -72,8 +72,15 @@ public class TranslateHelper {
             String translatorVersion = sharedpreferences.getString(context.getString(R.string.SET_TRANSLATOR_VERSION), "PRO");
             params.setPro(translatorVersion.equals("PRO"));
             String apikey = sharedpreferences.getString(context.getString(R.string.SET_TRANSLATOR_API_KEY), null);
-            if (apikey != null) {
+            if (apikey != null && !apikey.trim().isEmpty()) {
                 myTransL.setDeeplAPIKey(apikey.trim());
+            } else { //Issue with API key (empty or null)
+                SharedPreferences.Editor editor = sharedpreferences.edit();
+                editor.putString(context.getString(R.string.SET_TRANSLATOR), "FEDILAB");
+                editor.commit();
+                et = MyTransL.translatorEngine.LIBRETRANSLATE;
+                myTransL.setTranslator(et);
+                myTransL.setLibretranslateDomain("translate.fedilab.app");
             }
         }
 
diff --git a/mytransl/src/main/java/com/github/stom79/mytransl/MyTransL.java b/mytransl/src/main/java/com/github/stom79/mytransl/MyTransL.java
index e2c997ec..549ee181 100644
--- a/mytransl/src/main/java/com/github/stom79/mytransl/MyTransL.java
+++ b/mytransl/src/main/java/com/github/stom79/mytransl/MyTransL.java
@@ -29,7 +29,7 @@ public class MyTransL {
     private static MyTransL myTransL;
     private static String libretranslateDomain;
     private static String lingvaDomain;
-    private final translatorEngine te;
+    private translatorEngine te;
     private String yandexAPIKey, deeplAPIKey, systranAPIKey, libreTranslateAPIKey, lingvaAPIKey;
     private int timeout = 30;
     private boolean obfuscation = false;
@@ -38,6 +38,10 @@ public class MyTransL {
         this.te = te;
     }
 
+    public void setTranslator(translatorEngine te) {
+        this.te = te;
+    }
+
     public static synchronized MyTransL getInstance(translatorEngine te) {
         if (myTransL == null)
             myTransL = new MyTransL(te);