diff --git a/core/lib/types/src/l1_batch_commit_data_generator.rs b/core/lib/types/src/l1_batch_commit_data_generator.rs
index 166836eefc1..862cad3ce5c 100644
--- a/core/lib/types/src/l1_batch_commit_data_generator.rs
+++ b/core/lib/types/src/l1_batch_commit_data_generator.rs
@@ -23,7 +23,9 @@ impl L1BatchCommitDataGenerator for RollupModeL1BatchCommitDataGenerator {
 
 impl L1BatchCommitDataGenerator for ValidiumModeL1BatchCommitDataGenerator {
     fn l1_commit_data(&self, l1_batch_with_metadata: &L1BatchWithMetadata) -> Token {
-        Token::Tuple(validium_mode_l1_commit_data(l1_batch_with_metadata))
+        let mut commit_data = validium_mode_l1_commit_data(l1_batch_with_metadata);
+        commit_data.push(Token::Bytes([0].to_vec()));
+        Token::Tuple(commit_data)
     }
 }