--- a/layout/reftests/columns/reftest.list
+++ b/layout/reftests/columns/reftest.list
@@ -6,17 +6,17 @@
 == min-width-1b.html min-width-1-ref.html
 == min-width-1c.html min-width-1-ref.html
 == min-width-2.html min-width-2-ref.html
 == column-balancing-overflow-000.html column-balancing-overflow-000.ref.html
 == column-balancing-overflow-001.html column-balancing-overflow-000.ref.html
 == column-balancing-overflow-002.html column-balancing-overflow-002.ref.html
 == column-balancing-overflow-003.html column-balancing-overflow-003.ref.html
 == column-balancing-overflow-004.html column-balancing-overflow-004.ref.html
-fuzzy-if(webrender,126,216) == column-balancing-overflow-005.html column-balancing-overflow-005.ref.html
+fuzzy-if(webrender,126,364) == column-balancing-overflow-005.html column-balancing-overflow-005.ref.html
 == column-balancing-000.html column-balancing-000.ref.html
 == column-balancing-001.html column-balancing-000.ref.html
 == column-balancing-002.html column-balancing-002.ref.html
 == column-balancing-003.html column-balancing-000.ref.html
 == column-balancing-004.html column-balancing-004.ref.html
 == column-box-alignment-rtl.html column-box-alignment-rtl-ref.html
 HTTP(..) == columnfill-balance.html columnfill-balance-ref.html
 fuzzy-if(OSX,32,1000) HTTP(..) == columnfill-auto.html columnfill-auto-ref.html