diff --git a/src/PVE/Storage/CIFSPlugin.pm b/src/PVE/Storage/CIFSPlugin.pm
index 35a1a3b..5b35daf 100644
--- a/src/PVE/Storage/CIFSPlugin.pm
+++ b/src/PVE/Storage/CIFSPlugin.pm
@@ -331,4 +331,8 @@ sub get_import_metadata {
     return PVE::Storage::DirPlugin::get_import_metadata(@_);
 }
 
+sub volume_qemu_snapshot_method {
+    return PVE::Storage::DirPlugin::volume_qemu_snapshot_method(@_);
+}
+
 1;
diff --git a/src/PVE/Storage/NFSPlugin.pm b/src/PVE/Storage/NFSPlugin.pm
index b416703..4cc02c9 100644
--- a/src/PVE/Storage/NFSPlugin.pm
+++ b/src/PVE/Storage/NFSPlugin.pm
@@ -241,4 +241,8 @@ sub get_import_metadata {
     return PVE::Storage::DirPlugin::get_import_metadata(@_);
 }
 
+sub volume_qemu_snapshot_method {
+    return PVE::Storage::DirPlugin::volume_qemu_snapshot_method(@_);
+}
+
 1;