diff --git a/testing/web-platform/meta/resource-timing/nested-context-navigations.html.ini b/testing/web-platform/meta/resource-timing/nested-context-navigations.html.ini
new file mode 100644
index 000000000000..717c41d7f8de
--- /dev/null
+++ b/testing/web-platform/meta/resource-timing/nested-context-navigations.html.ini
@@ -0,0 +1,4 @@
+[nested-context-navigations.html]
+  disabled:
+    if (os == "linux"): https://bugzilla.mozilla.org/show_bug.cgi?id=1540899
+    if (os == "win"): https://bugzilla.mozilla.org/show_bug.cgi?id=1540899