diff --git a/fs_mgr/libsnapshot/snapshot_reader.cpp b/fs_mgr/libsnapshot/snapshot_reader.cpp
index 0ac79a123..b56d879a8 100644
--- a/fs_mgr/libsnapshot/snapshot_reader.cpp
+++ b/fs_mgr/libsnapshot/snapshot_reader.cpp
@@ -91,6 +91,7 @@ bool CompressedSnapshotReader::SetCow(std::unique_ptr<CowReader>&& cow) {
     while (!op_iter_->Done()) {
         const CowOperation* op = &op_iter_->Get();
         if (op->type == kCowLabelOp || op->type == kCowFooterOp) {
+            op_iter_->Next();
             continue;
         }
         if (op->new_block >= ops_.size()) {