diff --git a/test_mex.m b/test_mex.m
index 2581743..19306e8 100755
--- a/test_mex.m
+++ b/test_mex.m
@@ -56,16 +56,18 @@
 X = 2 * (U - 1) ./ (xdim - 1) - 1;  % [-1, 1]
 Y = 2 * (V - 1) ./ (ydim - 1) - 1;  % [-1, 1]
 Z = 2 * (D - 1) ./ (zdim - 1) - 1;  % [-1, 1]
-figure;
-noise = Perlin3D(X, Y, Z);
-plot_3D_scalar(noise);
-title('Perlin3D');
 
 figure;
 noise = Hermite3D(X, Y, Z);
 plot_3D_scalar(noise);
 title('Hermite3D');
 
+figure;
+noise = Perlin3D(X, Y, Z);
+plot_3D_scalar(noise);
+title('Perlin3D');
+
+
 % 3D Gradient
 [noise_deriv, gradNoise] = Perlin3DDeriv(X, Y, Z);
 err = abs(noise_deriv - noise);