diff --git a/DiffractionGratings/grating3D_parallel_Mmatrix.sh b/DiffractionGratings/grating3D_parallel_Mmatrix.sh
index df01b5ef4b00bb26441236ce9b04e8050a66c98e..25044f98ad269141cc6660b7760dfd9e1ac4f4dd 100644
--- a/DiffractionGratings/grating3D_parallel_Mmatrix.sh
+++ b/DiffractionGratings/grating3D_parallel_Mmatrix.sh
@@ -2,10 +2,10 @@
 export OPENBLAS_NUM_THREADS=1
 export OMP_NUM_THREADS=1
 export NPROC=96
-export nb_lam=20
-export nb_phi=20
-# export nb_lam=30
-# export nb_phi=30
+export nb_lam=50
+export nb_phi=50
+# export nb_lam=10
+# export nb_phi=10
 export lambda_min=400
 export lambda_max=1200
 export FLAG_TOTAL=0