diff --git a/contracts/logic/NftDistributor.sol b/contracts/logic/NftDistributor.sol
index 7c20d92..dd4ae05 100644
--- a/contracts/logic/NftDistributor.sol
+++ b/contracts/logic/NftDistributor.sol
@@ -99,12 +99,12 @@ contract NftDistributor is AccessControlEnumerable {
       if (!nftMinted[nftSId]) {
         // If the NFT is mintable, add it to the list to be minted
         uint256 nftId = _nftIds[index];
-        index++;
+        // Add the NFT's source ID to the list of sources
+        nftSource[index] = nftSId;
         nftMinted[nftSId] = true;
         // Mint the NFT to the user's address
         nft.mint(_user, nftId);
-        // Add the NFT's source ID to the list of sources
-        nftSource[index] = (nftSId);
+        index++;
       }
     }
     // Emit event with details of the minting operation