diff --git a/contracts/protocol/pool/DefaultReserveInterestRateStrategy.sol b/contracts/protocol/pool/DefaultReserveInterestRateStrategy.sol
index 7735bd16f..e8dc47f56 100644
--- a/contracts/protocol/pool/DefaultReserveInterestRateStrategy.sol
+++ b/contracts/protocol/pool/DefaultReserveInterestRateStrategy.sol
@@ -7,6 +7,7 @@ import {PercentageMath} from '../libraries/math/PercentageMath.sol';
 import {DataTypes} from '../libraries/types/DataTypes.sol';
 import {IReserveInterestRateStrategy} from '../../interfaces/IReserveInterestRateStrategy.sol';
 import {IPoolAddressesProvider} from '../../interfaces/IPoolAddressesProvider.sol';
+import {Errors} from '../libraries/helpers/Errors.sol';
 
 /**
  * @title DefaultReserveInterestRateStrategy contract
diff --git a/test-suites/rate-strategy.spec.ts b/test-suites/rate-strategy.spec.ts
index c90e8ca1d..195a8241f 100644
--- a/test-suites/rate-strategy.spec.ts
+++ b/test-suites/rate-strategy.spec.ts
@@ -364,4 +364,41 @@ makeSuite('InterestRateStrategy', (testEnv: TestEnv) => {
       rateStrategyStableTwo.stableRateSlope2
     );
   });
+
+  it('Deploy an interest rate strategy with optimalUtilizationRate out of range', async () => {
+    const { addressesProvider } = testEnv;
+
+    await expect(
+      deployDefaultReserveInterestRateStrategy([
+        addressesProvider.address,
+        utils.parseUnits('1.0', 28),
+        rateStrategyStableTwo.baseVariableBorrowRate,
+        rateStrategyStableTwo.variableRateSlope1,
+        rateStrategyStableTwo.variableRateSlope2,
+        rateStrategyStableTwo.stableRateSlope1,
+        rateStrategyStableTwo.stableRateSlope2,
+        rateStrategyStableTwo.baseStableRateOffset,
+        rateStrategyStableTwo.stableRateExcessOffset,
+        rateStrategyStableTwo.optimalStableToTotalDebtRatio,
+      ])
+    ).to.be.reverted;
+  });
+
+  it('Deploy an interest rate strategy with optimalStableToTotalDebtRatio out of range', async () => {
+    const { addressesProvider } = testEnv;
+    await expect(
+      deployDefaultReserveInterestRateStrategy([
+        addressesProvider.address,
+        rateStrategyStableTwo.optimalUtilizationRate,
+        rateStrategyStableTwo.baseVariableBorrowRate,
+        rateStrategyStableTwo.variableRateSlope1,
+        rateStrategyStableTwo.variableRateSlope2,
+        rateStrategyStableTwo.stableRateSlope1,
+        rateStrategyStableTwo.stableRateSlope2,
+        rateStrategyStableTwo.baseStableRateOffset,
+        rateStrategyStableTwo.stableRateExcessOffset,
+        utils.parseUnits('1.0', 28),
+      ])
+    ).to.be.reverted;
+  });
 });