diff --git a/test/test_JointUSR_RRR.jl b/test/test_JointUSR_RRR.jl
index 6c42283c..01b68953 100644
--- a/test/test_JointUSR_RRR.jl
+++ b/test/test_JointUSR_RRR.jl
@@ -7,10 +7,10 @@ using OrdinaryDiffEq
 using LinearAlgebra
 using JuliaSimCompiler
 
-t = Multibody.t
-D = Differential(t)
 world = Multibody.world
 W(args...; kwargs...) = Multibody.world
+t = Multibody.t
+D = Differential(t)
 
 # ==============================================================================
 ## A JointUSR is connected to a prismatic joint, with a Body at their common tip