diff --git a/examples/run_all_examples.jl b/examples/run_all_examples.jl
index 434ac274a..fe3c5c7ba 100644
--- a/examples/run_all_examples.jl
+++ b/examples/run_all_examples.jl
@@ -1,5 +1,8 @@
 using Random
 
+# for bug with display
+ENV["GKSwstype"] = "100"
+
 example_files = filter(readdir(@__DIR__)) do f
     occursin(".jl", f) && !occursin("large", f) && !occursin("result", f) && f != "activate.jl"
 end