diff --git a/src/net/mc_pandacraft/java/plugin/pandacraftutils/config/ConfigManager.java b/src/net/mc_pandacraft/java/plugin/pandacraftutils/config/ConfigManager.java
index fd00025..0780e8e 100644
--- a/src/net/mc_pandacraft/java/plugin/pandacraftutils/config/ConfigManager.java
+++ b/src/net/mc_pandacraft/java/plugin/pandacraftutils/config/ConfigManager.java
@@ -71,10 +71,6 @@ public class ConfigManager {
 		autoMessagesConfig = new AutoMessagesConfig();
 		
 		
-		
-		// dossier qui doit contenir les messages automatiques
-		File autoMessagesDir = new File(configDir, "automessages");
-		autoMessagesDir.mkdir();
 
 		// dossier qui doit contenir les alias de commandes
 		File commandAliasDir = new File(configDir, "commandalias");
diff --git a/src/net/mc_pandacraft/java/plugin/pandacraftutils/modules/CalculatorManager.java b/src/net/mc_pandacraft/java/plugin/pandacraftutils/modules/CalculatorManager.java
index 08d28e1..ebf011a 100644
--- a/src/net/mc_pandacraft/java/plugin/pandacraftutils/modules/CalculatorManager.java
+++ b/src/net/mc_pandacraft/java/plugin/pandacraftutils/modules/CalculatorManager.java
@@ -80,6 +80,10 @@ public class CalculatorManager implements Listener {
 				event.getPlayer().sendMessage(ChatColor.RED+e.getMessage());
 				event.getPlayer().sendMessage(ChatColor.RED+"Utilisez le symbole "+ChatColor.GRAY+"="+ChatColor.RED+" dans le chat pour faire un calcul mathématique");
 			}
+			catch (NullPointerException e) {
+				event.getPlayer().sendMessage(ChatColor.RED+e.getMessage());
+				event.getPlayer().sendMessage(ChatColor.RED+"Utilisez le symbole "+ChatColor.GRAY+"="+ChatColor.RED+" dans le chat pour faire un calcul mathématique");
+			}
 			
 		}