diff --git a/packages/testing/src/execution_testing/specs/state.py b/packages/testing/src/execution_testing/specs/state.py
index 6e13e07480..d27f5434d5 100644
--- a/packages/testing/src/execution_testing/specs/state.py
+++ b/packages/testing/src/execution_testing/specs/state.py
@@ -280,7 +280,7 @@ def _generate_blockchain_genesis_environment(self) -> Environment:
         if self.env.base_fee_per_gas:
             # Calculate genesis base fee per gas from state test's block#1 env
             kwargs["base_fee_per_gas"] = HexNumber(
-                int(int(str(self.env.base_fee_per_gas), 0) * 8 / 7)
+                int(str(self.env.base_fee_per_gas), 0) * 8 // 7
             )
 
         if self.env.excess_blob_gas: