--- a/layout/reftests/bugs/reftest-stylo.list
+++ b/layout/reftests/bugs/reftest-stylo.list
@@ -382,17 +382,17 @@ fails == 315920-12b.html 315920-12b.html
 fails == 315920-12c.html 315920-12c.html
 fails == 315920-13a.html 315920-13a.html
 == 315920-13b.html 315920-13b.html
 fails == 315920-14.html 315920-14.html
 == 315920-15.html 315920-15.html
 fails == 315920-16.html 315920-16.html
 fails == 315920-17.html 315920-17.html
 fails == 315920-18a.html 315920-18a.html
-== 315920-18b.html 315920-18b.html
+fails == 315920-18b.html 315920-18b.html
 fails == 315920-18c.html 315920-18c.html
 fails == 315920-18d.html 315920-18d.html
 fails == 315920-18e.html 315920-18e.html
 fails == 315920-18f.html 315920-18f.html
 fails == 315920-18g.html 315920-18g.html
 == 315920-18h.html 315920-18h.html
 == 315920-18i.html 315920-18i.html
 == 315920-19.html 315920-19.html