diff --git a/crates/bin/prove_block/tests/prove_block.rs b/crates/bin/prove_block/tests/prove_block.rs
index c8fa60c2..3e0fc667 100644
--- a/crates/bin/prove_block/tests/prove_block.rs
+++ b/crates/bin/prove_block/tests/prove_block.rs
@@ -55,6 +55,8 @@ use rstest::rstest;
 #[case::key_not_in_proof_0(155087)]
 #[case::key_not_in_proof_1(162388)]
 #[case::key_not_in_proof_2(155172)]
+#[case::timestamp_rounding_1(162389)]
+#[case::timestamp_rounding_2(167815)]
 #[ignore = "Requires a running Pathfinder node"]
 #[tokio::test(flavor = "multi_thread")]
 async fn test_prove_selected_blocks(#[case] block_number: u64) {
diff --git a/crates/starknet-os/src/cairo_types/new_syscalls.rs b/crates/starknet-os/src/cairo_types/new_syscalls.rs
index 6a54824a..b0aee505 100644
--- a/crates/starknet-os/src/cairo_types/new_syscalls.rs
+++ b/crates/starknet-os/src/cairo_types/new_syscalls.rs
@@ -103,3 +103,26 @@ pub struct StorageWriteRequest {
 pub struct ReplaceClassRequest {
     pub class_hash: Felt252,
 }
+
+#[allow(unused)]
+#[derive(FieldOffsetGetters)]
+pub struct ExecutionInfo {
+    block_info: Relocatable,
+    tx_info: Relocatable,
+    // Entry-point-specific info.
+    caller_address: Felt252,
+    // The execution is done in the context of the contract at this address.
+    // It controls the storage being used, messages sent to L1, calling contracts, etc.
+    contract_address: Felt252,
+    // The entry point selector.
+    selector: Felt252,
+}
+
+#[allow(unused)]
+#[derive(FieldOffsetGetters)]
+pub struct BlockInfo {
+    block_number: Felt252,
+    block_timestamp: Felt252,
+    // The address of the sequencer that is creating this block.
+    sequencer_address: Felt252,
+}
diff --git a/crates/starknet-os/src/execution/deprecated_syscall_handler.rs b/crates/starknet-os/src/execution/deprecated_syscall_handler.rs
index 9e1c7862..6de802ba 100644
--- a/crates/starknet-os/src/execution/deprecated_syscall_handler.rs
+++ b/crates/starknet-os/src/execution/deprecated_syscall_handler.rs
@@ -8,6 +8,7 @@ use cairo_vm::Felt252;
 use tokio::sync::RwLock;
 
 use super::helper::ExecutionHelperWrapper;
+use crate::cairo_types::new_syscalls::{BlockInfo as BlockInfoStruct, ExecutionInfo};
 use crate::cairo_types::syscalls::{
     CallContract, CallContractResponse, Deploy, DeployResponse, GetBlockNumber, GetBlockNumberResponse,
     GetBlockTimestamp, GetBlockTimestampResponse, GetContractAddress, GetContractAddressResponse, GetSequencerAddress,
@@ -134,11 +135,16 @@ where
 
     pub async fn get_block_number(&self, syscall_ptr: Relocatable, vm: &mut VirtualMachine) -> Result<(), HintError> {
         let syscall_handler = self.deprecated_syscall_handler.read().await;
+        let execution_helper = syscall_handler.exec_wrapper.execution_helper.read().await;
 
-        let block_number = syscall_handler.block_info.block_number;
+        let execution_info_ptr = execution_helper
+            .call_execution_info_ptr
+            .ok_or(HintError::SyscallError("Execution info pointer not set".to_string().into_boxed_str()))?;
+        let block_info_ptr = vm.get_relocatable((execution_info_ptr + ExecutionInfo::block_info_offset())?)?;
+        let block_number = vm.get_integer((block_info_ptr + BlockInfoStruct::block_number_offset())?)?.into_owned();
 
         let response_offset = GetBlockNumber::response_offset() + GetBlockNumberResponse::block_number_offset();
-        vm.insert_value((syscall_ptr + response_offset)?, Felt252::from(block_number.0))?;
+        vm.insert_value((syscall_ptr + response_offset)?, block_number)?;
 
         Ok(())
     }
@@ -149,12 +155,18 @@ where
         vm: &mut VirtualMachine,
     ) -> Result<(), HintError> {
         let syscall_handler = self.deprecated_syscall_handler.read().await;
+        let execution_helper = syscall_handler.exec_wrapper.execution_helper.read().await;
 
-        let block_timestamp = syscall_handler.block_info.block_timestamp;
+        let execution_info_ptr = execution_helper
+            .call_execution_info_ptr
+            .ok_or(HintError::SyscallError("Execution info pointer not set".to_string().into_boxed_str()))?;
+        let block_info_ptr = vm.get_relocatable((execution_info_ptr + ExecutionInfo::block_info_offset())?)?;
+        let block_timestamp =
+            vm.get_integer((block_info_ptr + BlockInfoStruct::block_timestamp_offset())?)?.into_owned();
 
         let response_offset =
             GetBlockTimestamp::response_offset() + GetBlockTimestampResponse::block_timestamp_offset();
-        vm.insert_value((syscall_ptr + response_offset)?, Felt252::from(block_timestamp.0))?;
+        vm.insert_value((syscall_ptr + response_offset)?, block_timestamp)?;
 
         Ok(())
     }
diff --git a/tests/integration/deprecated_syscalls_tests.rs b/tests/integration/deprecated_syscalls_tests.rs
index e2835ecb..6770b961 100644
--- a/tests/integration/deprecated_syscalls_tests.rs
+++ b/tests/integration/deprecated_syscalls_tests.rs
@@ -95,14 +95,14 @@ async fn test_syscall_get_block_number_cairo0(
     let sender_address = initial_state.deployed_cairo0_contracts.get("account_with_dummy_validate").unwrap().address;
     let contract_address = initial_state.deployed_cairo0_contracts.get("test_contract").unwrap().address;
 
-    let expected_block_number = felt!(block_context.block_info().block_number.0);
+    let block_number = block_context.block_info().block_number.0;
 
     let tx_version = TransactionVersion::ZERO;
     let mut nonce_manager = NonceManager::default();
     let tx = test_utils::account_invoke_tx(invoke_tx_args! {
         max_fee,
         sender_address: sender_address,
-        calldata: create_calldata(contract_address, "test_get_block_number", &[expected_block_number]),
+        calldata: create_calldata(contract_address, "test_get_block_number", &[felt!(block_number)]),
         version: tx_version,
         nonce: nonce_manager.next(sender_address),
     });
@@ -136,14 +136,14 @@ async fn test_syscall_get_block_timestamp_cairo0(
     let sender_address = initial_state.deployed_cairo0_contracts.get("account_with_dummy_validate").unwrap().address;
     let contract_address = initial_state.deployed_cairo0_contracts.get("test_contract").unwrap().address;
 
-    let expected_block_timestamp = felt!(block_context.block_info().block_timestamp.0);
+    let block_timestamp = block_context.block_info().block_timestamp.0;
 
     let tx_version = TransactionVersion::ZERO;
     let mut nonce_manager = NonceManager::default();
     let tx = test_utils::account_invoke_tx(invoke_tx_args! {
         max_fee,
         sender_address: sender_address,
-        calldata: create_calldata(contract_address, "test_get_block_timestamp", &[expected_block_timestamp]),
+        calldata: create_calldata(contract_address, "test_get_block_timestamp", &[felt!(block_timestamp)]),
         version: tx_version,
         nonce: nonce_manager.next(sender_address),
     });