diff --git a/tests/wpt/metadata/css/css-text/white-space/trailing-ideographic-space-005.html b/tests/wpt/metadata/css/css-text/white-space/trailing-ideographic-space-005.html
new file mode 100644
index 00000000000..3ece65a5da3
--- /dev/null
+++ b/tests/wpt/metadata/css/css-text/white-space/trailing-ideographic-space-005.html
@@ -0,0 +1,3 @@
+[trailing-ideographic-space-005.html]
+  expected:
+    if os == "mac": FAIL