diff --git a/htdocs/install/etape0.php b/htdocs/install/etape0.php
index 784522b3294..32de4e1a7d3 100644
--- a/htdocs/install/etape0.php
+++ b/htdocs/install/etape0.php
@@ -106,7 +106,7 @@ if (! $error)
 		{
 			print '<div class="error">'.$langs->trans("YouAskDatabaseCreationSoDolibarrNeedToConnect",$_POST["db_name"]).'</div>';
 			print '<br>';
-			if (! $db->connected) print $langs->trans("BecauseConnectionFailedParametersMayBeWrong").'<br><br>';
+			if (empty($db->connected)) print $langs->trans("BecauseConnectionFailedParametersMayBeWrong").'<br><br>';
 			print $langs->trans("ErrorGoBackAndCorrectParameters");
 			$error++;
 		}
diff --git a/htdocs/translate.class.php b/htdocs/translate.class.php
index cbc6ebb3150..c1b943075f8 100644
--- a/htdocs/translate.class.php
+++ b/htdocs/translate.class.php
@@ -316,7 +316,8 @@ class Translate {
 		}
 
 		// Clear SeparatorDecimal, SeparatorThousand 
-		if ($this->tab_translate["SeparatorDecimal"] == $this->tab_translate["SeparatorThousand"]) $this->tab_translate["SeparatorThousand"]=''; 
+		if (! empty($this->tab_translate["SeparatorDecimal"]) && ! empty($this->tab_translate["SeparatorThousand"])
+		&& $this->tab_translate["SeparatorDecimal"] == $this->tab_translate["SeparatorThousand"]) $this->tab_translate["SeparatorThousand"]=''; 
 
 		return 1;
 	}