diff --git a/PVE/Storage/SheepdogPlugin.pm b/PVE/Storage/SheepdogPlugin.pm
index ac1eca5..d9542a8 100644
--- a/PVE/Storage/SheepdogPlugin.pm
+++ b/PVE/Storage/SheepdogPlugin.pm
@@ -379,6 +379,8 @@ sub volume_size_info {
 sub volume_resize {
     my ($class, $scfg, $storeid, $volname, $size, $running) = @_;
 
+    return 1 if $running;
+
     my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) =
 	$class->parse_volname($volname);