diff --git a/plugins/disk/du-2 b/plugins/disk/du-2
index 3dc5e610..b38f5550 100755
--- a/plugins/disk/du-2
+++ b/plugins/disk/du-2
@@ -107,15 +107,16 @@ if( (defined $ARGV[0]) && ($ARGV[0] eq "config") ) {
 }
 
 ##### fetch
-open (FILE, "<", $CACHEFILE) or munin_exit_fail();
-while(defined (my $foo = <FILE>)) {
-    if ($foo =~ m/(\d+)\s+(.+)/) {
-        my ($field, $value) = ($2, $1);
-        clean_path(\$field);
-        print clean_fieldname($field), ".value ", $value, "\n";
+if (open (FILE, "<", $CACHEFILE)) {
+    while(defined (my $foo = <FILE>)) {
+        if ($foo =~ m/(\d+)\s+(.+)/) {
+            my ($field, $value) = ($2, $1);
+            clean_path(\$field);
+            print clean_fieldname($field), ".value ", $value, "\n";
+        }
     }
+    close(FILE);
 }
-close(FILE);
 daemonize();
 
 #