diff --git a/computerlabserver.jl b/computerlabserver.jl
index e7f384e5f8940db45175a06e8f45f519b4fbc6c9..1b5c08b803b90c982af467c43283367379ad6514 100644
--- a/computerlabserver.jl
+++ b/computerlabserver.jl
@@ -1,4 +1,4 @@
-using ControlSystems, InteractNext, Plots, LabGUI
+using ControlSystems, InteractNext, Plots, LabGUI, Mux
 
 inspectdr(show=false, size=(800,800))
 setPlotScale("log10")