diff --git a/Solver/TESTCASES/WavePulse.lua b/Solver/TESTCASES/WavePulse.lua
index a9dee53840444b3772fe02d0bb73004a3ddcf57e..93adba1dab9cffcffb162edd55a567b5f08d3d36 100644
--- a/Solver/TESTCASES/WavePulse.lua
+++ b/Solver/TESTCASES/WavePulse.lua
@@ -46,7 +46,7 @@ DG:exportSolution('output/solution_000')
 
 print'*** solve ***'
 
-N  = 1000;
+N  = 100;
 CFL = 2.1;
 dt = CFL * DG:computeInvSpectralRadius();
 print('DT = ',dt)