diff --git a/src/parallel/client.py b/src/parallel/client.py
index f506f0a..5a2de38 100644
--- a/src/parallel/client.py
+++ b/src/parallel/client.py
@@ -136,7 +136,10 @@ def __main__():
 
     download_network()
     # train_shared s'appelle récursivement sur lui même jusqu'à la fin du programme
-    train_shared(dataset, start, nb_elem, epochs=1, out=DELTA)
+    try:
+        train_shared(dataset, start, nb_elem, epochs=1, out=DELTA)
+    except requests.exceptions.ConnectionError:
+        print("Host disconnected")
 
 
 if __name__ == "__main__":
diff --git a/src/parallel/structures.py b/src/parallel/structures.py
index 2f3b18d..33cc2fd 100644
--- a/src/parallel/structures.py
+++ b/src/parallel/structures.py
@@ -3,7 +3,6 @@
 Description des structures.
 """
 import os
-import sys
 import time
 import subprocess
 
@@ -104,7 +103,7 @@ class Training:
         self.cur_image = 0
         if self.cur_batch >= self.batchs:
             print("Done.")
-            sys.exit()
+            os._exit(0)
 
 
     def patch(self):
@@ -118,7 +117,7 @@ class Training:
         with open(self.reseau + ".lock", "w", encoding="utf8") as file:
             file.write("")
 
-        if not os.path.isfile("out/main"):
+        if not os.path.isfile("out/utils"):
             subprocess.call(["./make.sh", "build", "utils"])
         subprocess.call(
         [