diff --git a/evm-template/runtime/src/configs/mod.rs b/evm-template/runtime/src/configs/mod.rs
index f2e318f..024755f 100644
--- a/evm-template/runtime/src/configs/mod.rs
+++ b/evm-template/runtime/src/configs/mod.rs
@@ -573,7 +573,7 @@ impl pallet_ethereum::Config for Runtime {
 
 parameter_types! {
     pub BlockGasLimit: U256 = U256::from(NORMAL_DISPATCH_RATIO * MAXIMUM_BLOCK_WEIGHT.ref_time() / WEIGHT_PER_GAS);
-    pub GasLimitPovSizeRatio: u64 = BlockGasLimit::get().as_u64().saturating_div(cumulus_primitives_core::relay_chain::MAX_POV_SIZE as u64);
+    pub GasLimitPovSizeRatio: u64 = BlockGasLimit::get().min(u64::MAX.into()).low_u64().saturating_div(cumulus_primitives_core::relay_chain::MAX_POV_SIZE as u64);
     pub PrecompilesValue: OpenZeppelinPrecompiles<Runtime> = OpenZeppelinPrecompiles::<_>::new();
     pub WeightPerGas: Weight = Weight::from_parts(WEIGHT_PER_GAS, 0);
     pub SuicideQuickClearLimit: u32 = 0;