diff --git a/app/src/main/java/eu/faircode/netguard/ActivityMain.java b/app/src/main/java/eu/faircode/netguard/ActivityMain.java
index 07201c86..bc136345 100644
--- a/app/src/main/java/eu/faircode/netguard/ActivityMain.java
+++ b/app/src/main/java/eu/faircode/netguard/ActivityMain.java
@@ -542,6 +542,8 @@ public class ActivityMain extends AppCompatActivity implements SharedPreferences
 
         // Show version
         tvVersion.setText(Util.getSelfVersionName(this));
+        if (!Util.hasValidFingerprint(TAG, this))
+            tvVersion.setTextColor(Color.GRAY);
 
         // Handle license
         tvLicense.setMovementMethod(LinkMovementMethod.getInstance());
diff --git a/app/src/main/java/eu/faircode/netguard/Util.java b/app/src/main/java/eu/faircode/netguard/Util.java
index 43aa82f0..036b202d 100644
--- a/app/src/main/java/eu/faircode/netguard/Util.java
+++ b/app/src/main/java/eu/faircode/netguard/Util.java
@@ -164,6 +164,7 @@ public class Util {
                 sb.append(String.format("Host: %s\r\n", Build.HOST));
                 sb.append(String.format("Display: %s\r\n", Build.DISPLAY));
                 sb.append(String.format("Id: %s\r\n", Build.ID));
+                sb.append(String.format("Fingerprint: %b\r\n", hasValidFingerprint(tag, context)));
                 sb.append(String.format("VPN dialogs: %b\r\n", isPackageInstalled("com.android.vpndialogs", context)));
 
                 ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);