diff --git a/PVE/Diskmanage.pm b/PVE/Diskmanage.pm
index 6db5279..55da2e5 100644
--- a/PVE/Diskmanage.pm
+++ b/PVE/Diskmanage.pm
@@ -916,7 +916,7 @@ sub wipe_blockdev {
     });
 
     if (scalar($to_wipe->$#*) > 0) {
-	print "found child partitions to wipe: ". join($to_wipe->@*, ',') ."\n";
+	print "found child partitions to wipe: ". join(', ', $to_wipe->@*) ."\n";
     }
     push $to_wipe->@*, $devpath; # put actual device last