--- a/src/mt_client_game.c
+++ b/src/mt_client_game.c
@@ -56,7 +56,7 @@
 	}
       else
 	{
-	  g_printerr (str_err_function[num]);
+	  g_printerr ("%s\n", str_err_function[num]);
 	  exit (-1);
 	}
     }
@@ -110,27 +110,27 @@
     }
 
   str_err_function[LIBMT_CLIENT_FUNCTION_INIT] =
-    _("libmt_client_function INIT : not initialised\n");
+    _("libmt_client_function INIT : not initialised");
   str_err_function[LIBMT_CLIENT_FUNCTION_GAME_INIT] =
-    _("libmt_client_function GAME_INIT : not initialised\n");
+    _("libmt_client_function GAME_INIT : not initialised");
   str_err_function[LIBMT_CLIENT_FUNCTION_MAKE_BID] =
-    _("libmt_client_function MAKE_BID : not initialised\n");
+    _("libmt_client_function MAKE_BID : not initialised");
   str_err_function[LIBMT_CLIENT_FUNCTION_MAKE_CHIEN] =
-    _("libmt_client_function MAKE_CHIEN : not initialised\n");
+    _("libmt_client_function MAKE_CHIEN : not initialised");
   str_err_function[LIBMT_CLIENT_FUNCTION_NOT_MAKE_CHIEN] =
-    _("libmt_client_function NOT_MAKE_CHIEN : not initialised\n");
+    _("libmt_client_function NOT_MAKE_CHIEN : not initialised");
   str_err_function[LIBMT_CLIENT_FUNCTION_CHOOSE_CARD] =
-    _("libmt_client_function CHOOSE_CARD : not initialised\n");
+    _("libmt_client_function CHOOSE_CARD : not initialised");
   str_err_function[LIBMT_CLIENT_FUNCTION_DRAW] =
-    _("libmt_client_function DRAW : not initialised\n");
+    _("libmt_client_function DRAW : not initialised");
   str_err_function[LIBMT_CLIENT_FUNCTION_REMOVE_CARD] =
-    _("libmt_client_function REMOVE CARD : not initialised\n");
+    _("libmt_client_function REMOVE CARD : not initialised");
   str_err_function[LIBMT_CLIENT_FUNCTION_ACK_REPLAY] =
-    _("libmt_client_function ACK REPLAY : not initialised\n");
+    _("libmt_client_function ACK REPLAY : not initialised");
   str_err_function[LIBMT_CLIENT_FUNCTION_LOST_CONNECTION] =
-    _("libmt_client_function LOST CONNECTION : not initialised\n");
+    _("libmt_client_function LOST CONNECTION : not initialised");
   str_err_function[LIBMT_CLIENT_FUNCTION_NORMAL_CLOSE] =
-    _("libmt_client_function NORMAL CLOSE : not initialised\n");
+    _("libmt_client_function NORMAL CLOSE : not initialised");
 
   return (0);
 }