diff --git a/PVE/CephConfig.pm b/PVE/CephConfig.pm
index 5b2d19e..b420fcc 100644
--- a/PVE/CephConfig.pm
+++ b/PVE/CephConfig.pm
@@ -14,6 +14,7 @@ sub parse_ceph_config {
     my ($filename, $raw) = @_;
 
     my $cfg = {};
+    return $cfg if !defined($raw);
 
     my @lines = split /\n/, $raw;