diff --git a/app/src/main/java/eu/faircode/email/FragmentPro.java b/app/src/main/java/eu/faircode/email/FragmentPro.java
index f1673458b0..a5417aad2c 100644
--- a/app/src/main/java/eu/faircode/email/FragmentPro.java
+++ b/app/src/main/java/eu/faircode/email/FragmentPro.java
@@ -89,7 +89,7 @@ public class FragmentPro extends FragmentEx implements SharedPreferences.OnShare
         if ("pro".equals(key)) {
             boolean pro = prefs.getBoolean(key, false);
             tvActivated.setVisibility(pro ? View.VISIBLE : View.GONE);
-            btnPurchase.setEnabled(!pro);
+            btnPurchase.setEnabled(BuildConfig.DEBUG || !pro);
         }
     }
 }