diff --git a/cairo_zero/tests/src/kakarot/instructions/test_block_information.py b/cairo_zero/tests/src/kakarot/instructions/test_block_information.py
index 0b1b9c9993..a38a113cc4 100644
--- a/cairo_zero/tests/src/kakarot/instructions/test_block_information.py
+++ b/cairo_zero/tests/src/kakarot/instructions/test_block_information.py
@@ -29,6 +29,7 @@ class TestBlockInformation:
     )
     @SyscallHandler.patch("Kakarot_coinbase", COINBASE)
     @SyscallHandler.patch("Kakarot_block_gas_limit", BLOCK_GAS_LIMIT)
+    @SyscallHandler.patch("Kakarot_chain_id", CHAIN_ID)
     @patch.object(SyscallHandler, "block_timestamp", 0x1234)
     def test__exec_block_information(self, cairo_run, opcode, expected_result):
         output = cairo_run("test__exec_block_information", opcode=opcode)