diff --git a/test/test_args.jl b/test/test_args.jl
index ff80df7c..e63b17d2 100644
--- a/test/test_args.jl
+++ b/test/test_args.jl
@@ -3,6 +3,6 @@ using Plots, Test
 @testset "Series Attributes" begin
     pl = plot([1, 2, 3], lw = 5)
     @test hline!(pl, [1.75]).series_list == hline!(pl, [1.75], z_order = :front).series_list
-    @test hline!(pl, [1.75], z_order == :back)[1].series_list[1][:label] == "y3"
-    @test hline!(pl, [1.75], z_order == 2)[1].series_list[2][:label] == "y3"
+    @test hline!(pl, [1.75], z_order = :back)[1].series_list[1][:label] == "y3"
+    @test hline!(pl, [1.75], z_order = 2)[1].series_list[2][:label] == "y3"
 end