diff --git a/data/t10k-images-idx3-ubyte b/data/mnist/t10k-images-idx3-ubyte
similarity index 100%
rename from data/t10k-images-idx3-ubyte
rename to data/mnist/t10k-images-idx3-ubyte
diff --git a/data/t10k-labels-idx1-ubyte b/data/mnist/t10k-labels-idx1-ubyte
similarity index 100%
rename from data/t10k-labels-idx1-ubyte
rename to data/mnist/t10k-labels-idx1-ubyte
diff --git a/data/train-images-idx3-ubyte b/data/mnist/train-images-idx3-ubyte
similarity index 100%
rename from data/train-images-idx3-ubyte
rename to data/mnist/train-images-idx3-ubyte
diff --git a/data/train-labels-idx1-ubyte b/data/mnist/train-labels-idx1-ubyte
similarity index 100%
rename from data/train-labels-idx1-ubyte
rename to data/mnist/train-labels-idx1-ubyte
diff --git a/make.sh b/make.sh
index 12d1c9e..92a243a 100755
--- a/make.sh
+++ b/make.sh
@@ -12,11 +12,11 @@ if [[ $1 == "preview" ]]; then
 		exit
 	elif [[ $2 == "train" ]]; then
 		[[ -f out/preview_mnist ]] || $0 preview build
-		out/preview_mnist data/train-images-idx3-ubyte data/train-labels-idx1-ubyte
+		out/preview_mnist data/mnist/train-images-idx3-ubyte data/mnist/train-labels-idx1-ubyte
 		exit
 	elif [[ $2 == "t10k" ]]; then
 		[[ -f out/preview_mnist ]] || $0 preview build
-		out/preview_mnist data/t10k-images-idx3-ubyte data/t10k-labels-idx1-ubyte
+		out/preview_mnist data/mnist/t10k-images-idx3-ubyte data/mnist/t10k-labels-idx1-ubyte
 		exit
 	fi
 fi
diff --git a/test/mnist.c b/test/mnist.c
index cfe533b..58cb51e 100644
--- a/test/mnist.c
+++ b/test/mnist.c
@@ -23,8 +23,8 @@ void test_lecture(int nb_images, int width, int height, int*** images, unsigned
 }
 
 int main() {
-    char* image_file = "data/t10k-images-idx3-ubyte";
-    char* labels_file = "data/t10k-labels-idx1-ubyte";
+    char* image_file = "data/mnist/t10k-images-idx3-ubyte";
+    char* labels_file = "data/mnist/t10k-labels-idx1-ubyte";
     printf("Chargement des paramètres\n");
 
     int* parameters = read_mnist_images_parameters(image_file);
diff --git a/test/neural_network.c b/test/neural_network.c
index 0ece65d..93725bf 100644
--- a/test/neural_network.c
+++ b/test/neural_network.c
@@ -21,7 +21,7 @@ int main() {
     printf("OK\n");
     printf("Enregistrement du réseau\n");
 
-    ecrire_reseau("/tmp/reseau_test.bin", reseau_neuronal);
+    ecrire_reseau(".test-cache/random_reseau.bin", reseau_neuronal);
 
     printf("OK\n");
     return 1;