diff --git a/plugins/_browser/webui/browser-panel.html b/plugins/_browser/webui/browser-panel.html
index 7ad3902f5..5692dd063 100644
--- a/plugins/_browser/webui/browser-panel.html
+++ b/plugins/_browser/webui/browser-panel.html
@@ -999,7 +999,7 @@
 	      height: 100%;
 	      min-width: 0;
 	      min-height: 0;
-	      object-fit: fill;
+	      object-fit: contain;
 	      image-rendering: auto;
 	      user-select: none;
 	      background: #fff;
diff --git a/tests/test_browser_agent_regressions.py b/tests/test_browser_agent_regressions.py
index 2cc355a14..a67de6054 100644
--- a/tests/test_browser_agent_regressions.py
+++ b/tests/test_browser_agent_regressions.py
@@ -1248,7 +1248,7 @@ def test_browser_viewer_defaults_to_live_screencast_with_snapshot_fallback():
     assert "canvas_wheel_screenshot" not in ws_browser
     assert "surface_mode: this._mode" not in browser_store
     assert "overflow: hidden;" in main_html
-    assert "object-fit: fill;" in main_html
+    assert "object-fit: contain;" in main_html
     assert "image-rendering: auto;" in main_html