diff --git a/src/Train/VideoWindow.cpp b/src/Train/VideoWindow.cpp
index 8faf2097a..e08995654 100644
--- a/src/Train/VideoWindow.cpp
+++ b/src/Train/VideoWindow.cpp
@@ -326,9 +326,11 @@ void VideoWindow::telemetryUpdate(RealtimeData rtd)
             if (rtd.mode == ERG || rtd.mode == MRC) {
                 p_meterWidget->Value = rtd.getLoad();
                 p_meterWidget->Text = QString("%1").arg(round(p_meterWidget->Value));
+                p_meterWidget->AltText = tr("w");
             } else {
                 p_meterWidget->Value = rtd.getSlope();
                 p_meterWidget->Text = QString("%1").arg(p_meterWidget->Value, 0, 'f', 1);
+                p_meterWidget->AltText = tr("%");
             }
         }
         else if (p_meterWidget->Source() == QString("Distance"))