diff --git a/test/runtests.jl b/test/runtests.jl
index 69a3f29..6148cac 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -80,6 +80,7 @@ function test()
     else
         run(wm)
     end
+    nothing
 end
 
 @testset "XCB.jl" begin