diff --git a/CH01/CH01_SEC02.m b/CH01/CH01_SEC02.m
index 99bf0e7..a241a71 100644
--- a/CH01/CH01_SEC02.m
+++ b/CH01/CH01_SEC02.m
@@ -1,6 +1,6 @@
 clear all, close all, clc
 
-A=imread('../DATA/dog.jpg');
+A=imread('CH01/dog.jpg');
 X=double(rgb2gray(A)); % Convert RBG->gray, 256 bit->double.
 nx = size(X,1); ny = size(X,2);
 imagesc(X), axis off, colormap gray 
diff --git a/CH01/CH01_SEC02_production.m b/CH01/CH01_SEC02_production.m
index 055dafe..1cd70d8 100644
--- a/CH01/CH01_SEC02_production.m
+++ b/CH01/CH01_SEC02_production.m
@@ -1,6 +1,6 @@
 clear all, close all, clc
 
-A=imread('../DATA/dog.jpg');
+A=imread('CH01/dog.jpg');
 X=double(rgb2gray(A));  % Convert RBG to gray, 256 bit to double.
 nx = size(X,1); ny = size(X,2);