diff --git a/layout/reftests/bugs/reftest.list b/layout/reftests/bugs/reftest.list
index ea82e4bf69c1..08719371685a 100644
--- a/layout/reftests/bugs/reftest.list
+++ b/layout/reftests/bugs/reftest.list
@@ -2026,7 +2026,7 @@ fails-if(!stylo||styloVsGecko) == 1365162-1.html 1365162-1-ref.html
 == 1375315-9.html 1375315-9-ref.html
 == 1375315-10.html 1375315-10-ref.html
 random-if(webrender) == 1375315-11.html 1375315-11-ref.html
-== 1375315-12.html 1375315-12-ref.html
+random-if(webrender) == 1375315-12.html 1375315-12-ref.html
 == 1374062.html 1374062-ref.html
 == 1375513.html 1375513-ref.html
 == 1375674.html 1375674-ref.html