diff --git a/tests/wpt/metadata/webgl/conformance-1.0.3/conformance/more/glsl/uniformOutOfBounds.html.ini b/tests/wpt/metadata/webgl/conformance-1.0.3/conformance/more/glsl/uniformOutOfBounds.html.ini
new file mode 100644
index 00000000000..a4c47444af4
--- /dev/null
+++ b/tests/wpt/metadata/webgl/conformance-1.0.3/conformance/more/glsl/uniformOutOfBounds.html.ini
@@ -0,0 +1,2 @@
+[uniformOutOfBounds.html]
+  disabled: https://github.com/servo/servo/issues/13662