diff --git a/Solver/TESTCASES/Advection3D.lua b/Solver/TESTCASES/Advection3D.lua
index 3c35593d581ecfc7520db04e39038858b4198d56..45172ddfccf91a5ed9e1ec35daab4773be9b24b2 100644
--- a/Solver/TESTCASES/Advection3D.lua
+++ b/Solver/TESTCASES/Advection3D.lua
@@ -25,7 +25,7 @@ v:set(0,0,0)
 v:set(1,0,0)
 v:set(2,0,0.15)
 
-law = dgConservationLawAdvection(functionConstant(v):getName(),'')
+law = dgConservationLawAdvectionDiffusion(functionConstant(v):getName(),'')
 dg:setConservationLaw(law)
 
 -- boundary condition