diff --git a/src/backends.jl b/src/backends.jl
index 4247c154..d09f4d6a 100644
--- a/src/backends.jl
+++ b/src/backends.jl
@@ -348,6 +348,7 @@ const _gr_attr = merge_with_base_supported([
     :fillrange,
     :fillcolor,
     :fillalpha,
+    :fillstyle,
     :bins,
     :layout,
     :title,