--- a/layout/reftests/svg/svg-integration/reftest.list
+++ b/layout/reftests/svg/svg-integration/reftest.list
@@ -24,17 +24,17 @@ fuzzy-if(Android,255,30) == clipPath-htm
 == dynamic-conditions-outer-svg-02.xhtml ../pass.svg
 == dynamic-conditions-outer-svg-03.xhtml ../pass.svg
 == dynamic-conditions-outer-svg-04.xhtml ../pass.svg
 == filter-html-01.xhtml filter-html-01-ref.svg
 random-if(Android) == filter-html-01-extref.xhtml filter-html-01-ref.svg # Android: bug 1198380
 == filter-html-zoomed-01.xhtml filter-html-01-ref.svg
 == mask-html-01.xhtml mask-html-01-ref.svg
 == mask-html-01-extref-01.xhtml mask-html-01-ref.svg
-random == mask-html-01-extref-02.xhtml mask-html-01-ref.svg # random due to bug 877661
+== mask-html-01-extref-02.xhtml mask-html-01-ref.svg
 == mask-html-zoomed-01.xhtml mask-html-01-ref.svg
 == mask-html-xbl-bound-01.html mask-html-01-ref.svg
 == mask-transformed-html-01.xhtml ../pass.svg
 == mask-transformed-html-02.xhtml ../pass.svg
 fuzzy-if(skiaContent,1,5) == patterned-svg-under-transformed-html-01.xhtml ../pass.svg
 == patterned-svg-under-transformed-html-02.xhtml ../pass.svg
 
 fuzzy(1,5000) == mask-clipPath-opacity-01a.xhtml mask-clipPath-opacity-01-ref.xhtml