diff --git a/docs/make.jl b/docs/make.jl
index d8a1b366..29f320ca 100644
--- a/docs/make.jl
+++ b/docs/make.jl
@@ -6,6 +6,7 @@ using InteractiveUtils
 using Plots
 using Random
 
+ENV["GKSwstype"] = "100"
 gr()
 plotly()
 Random.seed!(42)