diff --git a/contracts/tokens/erc721/BEBadge.sol b/contracts/tokens/erc721/BEBadge.sol
index 713f969..bba0f5e 100644
--- a/contracts/tokens/erc721/BEBadge.sol
+++ b/contracts/tokens/erc721/BEBadge.sol
@@ -161,6 +161,7 @@ contract BEBadge is AccessControl, ERC721Enumerable {
     uint256 firstTokenId,
     uint256 batchSize
   ) internal virtual override {
+    require(!lockedTokens[firstTokenId], "Can not transfer locked token");
     super._beforeTokenTransfer(from, to, firstTokenId, batchSize);
   }
 
diff --git a/contracts/tokens/erc721/NFT.sol b/contracts/tokens/erc721/NFT.sol
index f5747eb..031acaa 100644
--- a/contracts/tokens/erc721/NFT.sol
+++ b/contracts/tokens/erc721/NFT.sol
@@ -126,6 +126,7 @@ contract NFT is AccessControl, ERC721Enumerable {
     uint256 firstTokenId,
     uint256 batchSize
   ) internal virtual override {
+    require(!lockedTokens[firstTokenId], "Can not transfer locked token");
     super._beforeTokenTransfer(from, to, firstTokenId, batchSize);
   }