diff --git a/example/SparseGrid/7_gray_scott_3d_sparse_gpu_sphere_expanding/Makefile b/example/SparseGrid/7_gray_scott_3d_sparse_gpu_sphere_expanding/Makefile
index 50373464fbc7429a088540b11eeff1bfa3dd6f29..b0837dd4a282f8a98cf48c483d0be3e68b2549f9 100644
--- a/example/SparseGrid/7_gray_scott_3d_sparse_gpu_sphere_expanding/Makefile
+++ b/example/SparseGrid/7_gray_scott_3d_sparse_gpu_sphere_expanding/Makefile
@@ -30,7 +30,7 @@ gray_scott_sparse_gpu: $(OBJ)
 all: gray_scott_sparse_gpu
 
 run: gray_scott_sparse_gpu_test
-	mpirun -np 4 ./gray_scott_sparse_gpu
+	mpirun --oversubscribe -np 4 ./gray_scott_sparse_gpu
 
 .PHONY: clean all run