diff --git a/make.sh b/make.sh
index 0184f13..b727acf 100755
--- a/make.sh
+++ b/make.sh
@@ -19,14 +19,16 @@ if [[ $1 == "build" ]]; then
 		echo "Fait."
 		exit 0
 	elif [[ $2 == "test" ]]; then
-		for i in $(ls test); do
-			echo "Compilation de test/$i"
-			gcc "test/$i" -o "$OUT/test_$(echo $i | awk -F. '{print $1}')" $FLAGS
+		for i in "test/"*".c"; do
+			echo "Compilation de $i"
+			gcc "$i" -o "$OUT/test_$(echo $i | awk -F. '{print $1}' | awk -F/ '{print $NF}')" $FLAGS
 			echo "Fait."
 		done
 		exit 0
 	elif [[ $2 == "utils" ]]; then
+		echo "Compilation de src/mnist/utils.c"
 		gcc "src/mnist/utils.c" -o "$OUT/utils" $FLAGS
+		echo "Fait."
 		exit 0
 	else
 		$0 build main
@@ -63,6 +65,11 @@ if [[ $1 == "test" ]]; then
 			echo "--- $i ---"
 			$i
 		done
+		for i in "test/"*".sh"; do
+			echo "--- $i ---"
+			chmod +x "$i"
+			"$i" "$OUT" "$0"
+		done
 		exit 0
 	fi
 fi
diff --git a/src/mnist/utils.c b/src/mnist/utils.c
index b6a9168..3965081 100644
--- a/src/mnist/utils.c
+++ b/src/mnist/utils.c
@@ -139,7 +139,7 @@ int main(int argc, char* argv[]) {
             filename = ".cache/reseau.bin";
         }
         print_weights(filename);
-        exit(1);
+        exit(0);
     } else if (! strcmp(argv[1], "print-biais")) {
         char* filename = NULL;
         int i = 2;
@@ -157,7 +157,7 @@ int main(int argc, char* argv[]) {
             filename = ".cache/reseau.bin";
         }
         print_bias(filename);
-        exit(1);
+        exit(0);
     } else if (! strcmp(argv[1], "creer-reseau")) {
         char* out = NULL;
         int n = -1;
@@ -175,7 +175,7 @@ int main(int argc, char* argv[]) {
             }
         }
         create_network(out, n);
-        exit(1);
+        exit(0);
     } else if (! strcmp(argv[1], "count-labels")) {
         char* labels = NULL;
         int i = 2;
@@ -193,7 +193,7 @@ int main(int argc, char* argv[]) {
             labels = "data/mnist/train-labels-idx1-ubyte";
         }
         count_labels(labels);
-        exit(1);
+        exit(0);
     }
     printf("Option choisie non reconnue: %s\n", argv[1]);
     help(argv[0]);
diff --git a/test/neuron_io.c b/test/neuron_io.c
index 8c52901..d7817eb 100644
--- a/test/neuron_io.c
+++ b/test/neuron_io.c
@@ -59,8 +59,16 @@ Network* create_network(int nb_layers, int nb_max_neurons, int nb_min_neurons) {
 }
 
 int main() {
+    printf("Création du réseau\n");
     Network* network = create_network(5, 300, 10);
+    printf("OK\n");
+
+    printf("Écriture du réseau\n");
     write_network(".test-cache/neuron_io.bin", network);
+    printf("OK\n");
+
+    printf("Vérification de l'accès en lecture\n");
     Network* network2 = read_network(".test-cache/neuron_io.bin");
+    printf("OK\n");
     return 0;
 }
\ No newline at end of file
diff --git a/test/test_utils.sh b/test/test_utils.sh
new file mode 100755
index 0000000..3b0b6b7
--- /dev/null
+++ b/test/test_utils.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+set -e
+
+OUT="$1"
+[[ -f "$OUT/utils" ]] || "$2" build utils
+
+echo "Compte des labels"
+"$OUT/utils" count-labels -l data/mnist/t10k-labels-idx1-ubyte > /dev/null
+echo "OK"
+
+echo "Création du réseau"
+"$OUT/utils" creer-reseau -n 3 -n .test-cache/reseau.bin > /dev/null
+echo "OK"
+
+echo "Affichage poids"
+"$OUT/utils" print-poids -r .test-cache/reseau.bin
+echo "OK"
+
+echo "Affichage biais"
+"$OUT/utils" print-biais -r .test-cache/reseau.bin > /dev/null
+echo "OK"
\ No newline at end of file