diff --git a/crates/blockifier_reexecution/src/main.rs b/crates/blockifier_reexecution/src/main.rs
index bbc18809cc..8efd169f74 100644
--- a/crates/blockifier_reexecution/src/main.rs
+++ b/crates/blockifier_reexecution/src/main.rs
@@ -10,6 +10,7 @@ use blockifier_reexecution::state_reader::utils::{
 };
 use clap::{Args, Parser, Subcommand};
 use starknet_api::block::BlockNumber;
+use starknet_api::core::ChainId;
 use starknet_gateway::config::RpcStateReaderConfig;
 
 /// BlockifierReexecution CLI.
@@ -105,6 +106,7 @@ fn main() {
             reexecute_and_verify_correctness(ConsecutiveTestStateReaders::new(
                 BlockNumber(block_number - 1),
                 Some(config),
+                ChainId::Mainnet,
                 false,
             ));
 
@@ -123,6 +125,7 @@ fn main() {
                 BlockNumber(block_number),
                 &full_file_path,
                 node_url,
+                ChainId::Mainnet,
             );
         }
 
@@ -146,6 +149,7 @@ fn main() {
                     block_number,
                     &full_file_path,
                     node_url.clone(),
+                    ChainId::Mainnet,
                 );
             }
         }
diff --git a/crates/blockifier_reexecution/src/state_reader/rpc_https_test.rs b/crates/blockifier_reexecution/src/state_reader/rpc_https_test.rs
index b74a59d59e..f2a47f3496 100644
--- a/crates/blockifier_reexecution/src/state_reader/rpc_https_test.rs
+++ b/crates/blockifier_reexecution/src/state_reader/rpc_https_test.rs
@@ -17,6 +17,7 @@ use blockifier::blockifier::block::BlockInfo;
 use rstest::{fixture, rstest};
 use starknet_api::block::BlockNumber;
 use starknet_api::class_hash;
+use starknet_api::core::ChainId;
 use starknet_api::transaction::{
     DeclareTransaction,
     DeployAccountTransaction,
@@ -93,6 +94,7 @@ pub fn test_state_reader() -> TestStateReader {
             block_id: get_test_block_id(),
         },
         retry_config: RetryConfig::default(),
+        chain_id: ChainId::Mainnet,
         contract_class_mapping_dumper: Arc::new(Mutex::new(None)),
     }
 }
@@ -111,7 +113,7 @@ pub fn last_constructed_block(test_block_number: BlockNumber) -> BlockNumber {
 pub fn test_state_readers_last_and_current_block(
     last_constructed_block: BlockNumber,
 ) -> ConsecutiveTestStateReaders {
-    ConsecutiveTestStateReaders::new(last_constructed_block, None, false)
+    ConsecutiveTestStateReaders::new(last_constructed_block, None, ChainId::Mainnet, false)
 }
 
 /// Test that the block info can be retrieved from the RPC server.
diff --git a/crates/blockifier_reexecution/src/state_reader/test_state_reader.rs b/crates/blockifier_reexecution/src/state_reader/test_state_reader.rs
index d86a06d7d4..42c6c2c7a7 100644
--- a/crates/blockifier_reexecution/src/state_reader/test_state_reader.rs
+++ b/crates/blockifier_reexecution/src/state_reader/test_state_reader.rs
@@ -176,6 +176,7 @@ impl Default for RetryConfig {
 pub struct TestStateReader {
     pub(crate) rpc_state_reader: RpcStateReader,
     pub(crate) retry_config: RetryConfig,
+    pub(crate) chain_id: ChainId,
     #[allow(dead_code)]
     pub(crate) contract_class_mapping_dumper: Arc<Mutex<Option<StarknetContractClassMapping>>>,
 }
@@ -185,6 +186,7 @@ impl Default for TestStateReader {
         Self {
             rpc_state_reader: RpcStateReader::from_latest(&get_rpc_state_reader_config()),
             retry_config: RetryConfig::default(),
+            chain_id: ChainId::Mainnet,
             contract_class_mapping_dumper: Arc::new(Mutex::new(None)),
         }
     }
@@ -236,20 +238,26 @@ impl StateReader for TestStateReader {
 }
 
 impl TestStateReader {
-    pub fn new(config: &RpcStateReaderConfig, block_number: BlockNumber, dump_mode: bool) -> Self {
+    pub fn new(
+        config: &RpcStateReaderConfig,
+        chain_id: ChainId,
+        block_number: BlockNumber,
+        dump_mode: bool,
+    ) -> Self {
         let contract_class_mapping_dumper = Arc::new(Mutex::new(match dump_mode {
             true => Some(HashMap::new()),
             false => None,
         }));
         Self {
             rpc_state_reader: RpcStateReader::from_number(config, block_number),
-            contract_class_mapping_dumper,
             retry_config: RetryConfig::default(),
+            chain_id,
+            contract_class_mapping_dumper,
         }
     }
 
     pub fn new_for_testing(block_number: BlockNumber) -> Self {
-        TestStateReader::new(&get_rpc_state_reader_config(), block_number, false)
+        TestStateReader::new(&get_rpc_state_reader_config(), ChainId::Mainnet, block_number, false)
     }
 
     /// Get the block info of the current block.
@@ -334,7 +342,7 @@ impl TestStateReader {
     pub fn get_block_context(&self) -> ReexecutionResult<BlockContext> {
         Ok(BlockContext::new(
             self.get_block_info()?,
-            get_chain_info(&ChainId::Mainnet),
+            get_chain_info(&self.chain_id),
             self.get_versioned_constants()?.clone(),
             BouncerConfig::max(),
         ))
@@ -468,17 +476,20 @@ impl ConsecutiveTestStateReaders {
     pub fn new(
         last_constructed_block_number: BlockNumber,
         config: Option<RpcStateReaderConfig>,
+        chain_id: ChainId,
         dump_mode: bool,
     ) -> Self {
         let config = config.unwrap_or(get_rpc_state_reader_config());
         Self {
             last_block_state_reader: TestStateReader::new(
                 &config,
+                chain_id.clone(),
                 last_constructed_block_number,
                 dump_mode,
             ),
             next_block_state_reader: TestStateReader::new(
                 &config,
+                chain_id,
                 last_constructed_block_number.next().expect("Overflow in block number"),
                 dump_mode,
             ),
diff --git a/crates/blockifier_reexecution/src/state_reader/utils.rs b/crates/blockifier_reexecution/src/state_reader/utils.rs
index 25af8ba25c..5ff18e9d75 100644
--- a/crates/blockifier_reexecution/src/state_reader/utils.rs
+++ b/crates/blockifier_reexecution/src/state_reader/utils.rs
@@ -239,6 +239,7 @@ pub fn write_block_reexecution_data_to_file(
     block_number: BlockNumber,
     full_file_path: &str,
     node_url: String,
+    chain_id: ChainId,
 ) {
     let config =
         RpcStateReaderConfig { url: node_url, json_rpc_version: JSON_RPC_VERSION.to_string() };
@@ -246,6 +247,7 @@ pub fn write_block_reexecution_data_to_file(
     let consecutive_state_readers = ConsecutiveTestStateReaders::new(
         block_number.prev().expect("Should not run with block 0"),
         Some(config),
+        chain_id,
         true,
     );