diff --git a/lam/templates/config/conflogin.php b/lam/templates/config/conflogin.php
index edc8803d..f3de5317 100644
--- a/lam/templates/config/conflogin.php
+++ b/lam/templates/config/conflogin.php
@@ -89,7 +89,7 @@ echo $_SESSION['header'];
 			<tr><td style="border-style:none" >&nbsp;</td></tr>
 <?php
 	// print message if login was incorrect
-	if ($message) {  // $message is set by confmain.php (requires conflogin.php then)
+	if (isset($message)) {  // $message is set by confmain.php (requires conflogin.php then)
 		echo ("<tr><td style=\"border-style:none\" rowspan=\"2\"></td>" .
 			"<td style=\"border-style:none\" colspan=2 align=\"center\"><b><font color=red>" . $message . "</font></b></td>" .
 			"<td style=\"border-style:none\" rowspan=\"2\"></td></tr>");
diff --git a/lam/templates/config/confmain.php b/lam/templates/config/confmain.php
index d3758b44..c851eb2a 100644
--- a/lam/templates/config/confmain.php
+++ b/lam/templates/config/confmain.php
@@ -43,7 +43,7 @@ session_save_path("../../sess");
 setlanguage();
 
 // check if button was pressed and if we have to save the setting or go back to login
-if ($_POST['back'] || $_POST['submitconf'] || $_POST['editmodules']){
+if (isset($_POST['back']) || isset($_POST['submitconf']) || isset($_POST['editmodules'])){
 	// save settings
 	if ($_POST['submitconf'] || $_POST['editmodules']){
 		// save HTTP-POST variables in session
@@ -87,7 +87,7 @@ if ($_POST['back'] || $_POST['submitconf'] || $_POST['editmodules']){
 }
 
 // get password if register_globals is off
-if ($_POST['passwd']) $passwd = $_POST['passwd'];
+if (isset($_POST['passwd'])) $passwd = $_POST['passwd'];
 if ($_GET["modulesback"] == "true") $passwd = $_SESSION['conf_passwd'];
 
 // check if password was entered