diff --git a/i18n/en.yml b/i18n/en.yml
index 27a2d11..9a4781a 100644
--- a/i18n/en.yml
+++ b/i18n/en.yml
@@ -118,6 +118,10 @@ en:
       checkconfig: "Check the configuration"
       setup: "Setup a new configuration file"
       help: "Show this message help"
+    checkconfig:
+      fail: "Checkconfig failed:!"
+      empty: "ERROR: an importe option is missing!"
+      datadir: "ERROR: le data directory doesn't exist!"
     form:
       setup:
         title: "Serveur configuration" 
diff --git a/i18n/fr.yml b/i18n/fr.yml
index 770dd21..74924b7 100644
--- a/i18n/fr.yml
+++ b/i18n/fr.yml
@@ -118,6 +118,10 @@ fr:
       checkconfig: "Vérifie le fichier de configuration"
       setup: "Permet de générer un nouveau fichier de configuration"
       help: "Affiche ce message d'aide"
+    checkconfig:
+      fail: "Le fichier de configuration est invalide!"
+      empty: "ERREUR: Une option importante est manquante!"
+      datadir: "ERREUR: Le répertoire des données n'existe pas!"
     form:
       setup:
         title: "Configuration du serveur" 
diff --git a/lib/Server.rb b/lib/Server.rb
index 77ee2c2..699b355 100644
--- a/lib/Server.rb
+++ b/lib/Server.rb
@@ -15,7 +15,6 @@ class Server
 	# Constructor
 	def initialize()
 		YAML::ENGINE.yamler='syck'
-		@error_msg = nil
 	end
 
 	# Start the server
@@ -243,13 +242,20 @@ class Server
 			@data_dir = config['config']['data_dir']
 			@timeout  = config['config']['timeout'].to_i
 
-			if @host.empty? || @port.empty? 
-				@error_msg = "Checkconfig failed!"
+			if @host.empty? || @port.empty? || @data_dir.empty? 
+				puts I18n.t('server.checkconfig.fail')
+				puts I18n.t('server.checkconfig.empty')
+				return false
+			end
+
+			if !Dir.exist?(@data_dir)
+				puts I18n.t('server.checkconfig.fail')
+				puts I18n.t('server.checkconfig.datadir')
 				return false
 			end
 
 		rescue Exception => e 
-			@error_msg = "Checkconfig failed!\n#{e}"
+			puts "#{I18n.t('server.checkconfig.fail')}\n#{e}"
 			return false
 		end