1 files changed, 6 insertions, 4 deletions
diff --git a/boot-env/OpenSLX/BootEnvironment/PXE.pm b/boot-env/OpenSLX/BootEnvironment/PXE.pm
index 8387219d..06df1361 100644
--- a/boot-env/OpenSLX/BootEnvironment/PXE.pm
+++ b/boot-env/OpenSLX/BootEnvironment/PXE.pm
@@ -99,11 +99,13 @@ sub writeBootloaderMenuFor
         
         # set default menu entry
         my $pxeDefault = "";
-        if ($openslxConfig{'pxe-default-menu-entry'} eq $info->{'external-id'})
-        {
-            $pxeDefault = "\tMENU DEFAULT\n";
+        if (defined $openslxConfig{'pxe-default-menu-entry'}) {
+            if ($openslxConfig{'pxe-default-menu-entry'} eq
+                $info->{'external-id'})
+            {
+                $pxeDefault = "\tMENU DEFAULT\n";
+            }
         }
-        
         $append .= " initrd=$pxePrefix$vendorOSName/$info->{'initramfs-name'}";
         $append .= " file=$bootURI"     if length($bootURI);
         $append .= " file=$tftpPrefix"  if length($tftpPrefix);