diff --git a/layout/reftests/svg/reftest.list b/layout/reftests/svg/reftest.list
index e39261d96ff..2ecfa10002c 100644
--- a/layout/reftests/svg/reftest.list
+++ b/layout/reftests/svg/reftest.list
@@ -110,7 +110,8 @@ fails == inline-in-xul-basic-01.xul pass.svg
 # == mask-transformed-01.svg mask-transformed-01-ref.svg
 == nested-viewBox-01.svg pass.svg
 == objectBoundingBox-and-clipPath.svg pass.svg
-== objectBoundingBox-and-fePointLight-01.svg objectBoundingBox-and-fePointLight-01-ref.svg
+# Bug 588684
+fails-if(gtk2Widget) == objectBoundingBox-and-fePointLight-01.svg objectBoundingBox-and-fePointLight-01-ref.svg
 == objectBoundingBox-and-mask.svg pass.svg
 == objectBoundingBox-and-pattern-01a.svg objectBoundingBox-and-pattern-01-ref.svg
 == objectBoundingBox-and-pattern-01b.svg objectBoundingBox-and-pattern-01-ref.svg