diff --git a/app/src/main/java/com/xypower/mpapp/MainActivity.java b/app/src/main/java/com/xypower/mpapp/MainActivity.java
index 8cde7a38..7d066021 100644
--- a/app/src/main/java/com/xypower/mpapp/MainActivity.java
+++ b/app/src/main/java/com/xypower/mpapp/MainActivity.java
@@ -153,7 +153,7 @@ public class MainActivity extends AppCompatActivity {
                         }
                         if (log != null) {
                             binding.logs.append(log);
-                            int offset = mLines * binding.logs.getLineHeight();
+                            int offset = binding.logs.getLineCount() * binding.logs.getLineHeight();
                             if (offset > binding.logs.getHeight()) {
                                 binding.logs.scrollTo(0, offset - binding.logs.getHeight() + binding.logs.getLineHeight());
                             }