diff --git a/Src/Main.c b/Src/Main.c
index 87486f6..2bf3680 100644
--- a/Src/Main.c
+++ b/Src/Main.c
@@ -104,6 +104,8 @@ int main(int argc, char *argv[])
     return(2);
   param->verbose = verbose;
 
+  int exit_code = 0;
+
   /** Actions **/
   if(param->action == ACTION_CATALOG)
     {
@@ -149,7 +151,7 @@ int main(int argc, char *argv[])
         return(3);
 
       /** Extrait le fichier sur disque **/
-      ExtractOneFile(
+      exit_code = ExtractOneFile(
         current_image,
         param->prodos_file_path,
         param->output_directory_path,
@@ -381,7 +383,7 @@ int main(int argc, char *argv[])
       printf("  - Add file '%s' :\n",param->file_path);
 
       /** Ajoute le fichier dans l'archive **/
-      AddFile(current_image,param->file_path,param->prodos_folder_path,1);
+      exit_code = AddFile(current_image,param->file_path,param->prodos_folder_path,1);
 
       /* Libération mémoire */
       mem_free_image(current_image);
@@ -436,7 +438,7 @@ int main(int argc, char *argv[])
       printf("  - Replacing file '%s' :\n",prodos_file_name);
 
       DeleteProdosFile(current_image, prodos_file_name);
-      AddFile(current_image, param->file_path, param->prodos_folder_path,1);
+      exit_code = AddFile(current_image, param->file_path, param->prodos_folder_path,1);
 
       free(prodos_file_name);
       mem_free_image(current_image);
@@ -450,7 +452,9 @@ int main(int argc, char *argv[])
       for(i=0; i<nb_filepath; i++)
         {
           printf("  - Clear High bit for file '%s'\n",filepath_tab[i]);
-          ClearFileHighBit(filepath_tab[i]);
+          int result = ClearFileHighBit(filepath_tab[i]);
+          if (!exit_code && result)
+            exit_code = result;
         }
 
       /* Libération mémoire */
@@ -465,8 +469,10 @@ int main(int argc, char *argv[])
       for(i=0; i<nb_filepath; i++)
         {
           printf("  - Set High bit for file '%s'\n",filepath_tab[i]);
-          SetFileHighBit(filepath_tab[i]);
-        }
+          int result = SetFileHighBit(filepath_tab[i]);
+          if (!exit_code && result)
+            exit_code = result;
+      }
 
       /* Libération mémoire */
       mem_free_list(nb_filepath,filepath_tab);
@@ -480,8 +486,10 @@ int main(int argc, char *argv[])
       for(i=0; i<nb_filepath; i++)
         {
           printf("  - Indent file '%s'\n",filepath_tab[i]);
-          IndentFile(filepath_tab[i]);
-        }
+          int result = IndentFile(filepath_tab[i]);
+          if (!exit_code && result)
+            exit_code = result;
+      }
 
       /* Libération mémoire */
       mem_free_list(nb_filepath,filepath_tab);
@@ -495,8 +503,10 @@ int main(int argc, char *argv[])
       for(i=0; i<nb_filepath; i++)
         {
           printf("  - Outdent file '%s'\n",filepath_tab[i]);
-          OutdentFile(filepath_tab[i]);
-        }
+          int result = OutdentFile(filepath_tab[i]);
+          if (!exit_code && result)
+            exit_code = result;
+      }
 
       /* Libération mémoire */
       mem_free_list(nb_filepath,filepath_tab);
@@ -507,7 +517,7 @@ int main(int argc, char *argv[])
   my_Memory(MEMORY_FREE,NULL,NULL);
 
   /* OK */              
-  return(0);
+  return(exit_code);
 }
 
 
diff --git a/Src/Prodos_Extract.c b/Src/Prodos_Extract.c
index cec6efa..30cd59d 100644
--- a/Src/Prodos_Extract.c
+++ b/Src/Prodos_Extract.c
@@ -33,7 +33,7 @@ static void SetFileInformation(char *,struct prodos_file *);
  * @param output_directory_path 
  * @param output_apple_single 
  */
-void ExtractOneFile(struct prodos_image *current_image, char *prodos_file_path, char *output_directory_path, bool output_apple_single)
+int ExtractOneFile(struct prodos_image *current_image, char *prodos_file_path, char *output_directory_path, bool output_apple_single)
 {
   int error;
   struct file_descriptive_entry *current_entry;
@@ -42,14 +42,14 @@ void ExtractOneFile(struct prodos_image *current_image, char *prodos_file_path,
   /** Recherche l'entrée du fichier **/
   current_entry = GetProdosFile(current_image,prodos_file_path);
   if(current_entry == NULL)
-    return;
+    return(1);
 
   /** Allocation mémoire **/
   current_file = (struct prodos_file *) calloc(1,sizeof(struct prodos_file));
   if(current_file == NULL)
     {
       printf("  Error : Can't get file from Image : Memory Allocation impossible.\n");
-      return;
+      return(1);
     }
   current_file->entry = current_entry;
 
@@ -58,8 +58,9 @@ void ExtractOneFile(struct prodos_image *current_image, char *prodos_file_path,
   if(error)
     {
       printf("  Error : Can't get file from Image : Memory Allocation impossible.\n");
+      current_image->nb_extract_error++;
       mem_free_file(current_file);
-      return;
+      return(error);
     }
 
   /** Création du fichier sur disque **/
@@ -67,6 +68,8 @@ void ExtractOneFile(struct prodos_image *current_image, char *prodos_file_path,
 
   /* Libération mémoire */
   mem_free_file(current_file);
+
+  return (error);
 }
 
 
diff --git a/Src/Prodos_Extract.h b/Src/Prodos_Extract.h
index 883d9ba..df6eb4c 100644
--- a/Src/Prodos_Extract.h
+++ b/Src/Prodos_Extract.h
@@ -8,7 +8,7 @@
 
 #include <stdbool.h>
 
-void ExtractOneFile(struct prodos_image *, char *, char *, bool);
+int ExtractOneFile(struct prodos_image *, char *, char *, bool);
 void ExtractFolderFiles(struct prodos_image *, struct file_descriptive_entry *, char *, bool);
 void ExtractVolumeFiles(struct prodos_image *, char *, bool);