diff --git a/apps/api/src/models/rule.ts b/apps/api/src/models/rule.ts
index 187527fbb..c3c3eac79 100644
--- a/apps/api/src/models/rule.ts
+++ b/apps/api/src/models/rule.ts
@@ -1,5 +1,6 @@
 import { RuleSettings } from '@ghostfolio/api/models/interfaces/rule-settings.interface';
 import { ExchangeRateDataService } from '@ghostfolio/api/services/exchange-rate-data/exchange-rate-data.service';
+import { I18nService } from '@ghostfolio/api/services/i18n/i18n.service';
 import { groupBy } from '@ghostfolio/common/helper';
 import {
   PortfolioPosition,
@@ -13,6 +14,7 @@ import { EvaluationResult } from './interfaces/evaluation-result.interface';
 import { RuleInterface } from './interfaces/rule.interface';
 
 export abstract class Rule<T extends RuleSettings> implements RuleInterface<T> {
+  protected i18nService = new I18nService();
   private key: string;
   private name: string;
 
@@ -56,7 +58,7 @@ export abstract class Rule<T extends RuleSettings> implements RuleInterface<T> {
             previousValue +
             this.exchangeRateDataService.toCurrency(
               new Big(currentValue.quantity)
-                .mul(currentValue.marketPrice)
+                .mul(currentValue.marketPrice ?? 0)
                 .toNumber(),
               currentValue.currency,
               baseCurrency
diff --git a/apps/api/src/models/rules/fees/fee-ratio-initial-investment.ts b/apps/api/src/models/rules/fees/fee-ratio-initial-investment.ts
index fa9d7e7bc..b6c4c6781 100644
--- a/apps/api/src/models/rules/fees/fee-ratio-initial-investment.ts
+++ b/apps/api/src/models/rules/fees/fee-ratio-initial-investment.ts
@@ -1,6 +1,7 @@
 import { RuleSettings } from '@ghostfolio/api/models/interfaces/rule-settings.interface';
 import { Rule } from '@ghostfolio/api/models/rule';
 import { ExchangeRateDataService } from '@ghostfolio/api/services/exchange-rate-data/exchange-rate-data.service';
+import { DEFAULT_LANGUAGE_CODE } from '@ghostfolio/common/config';
 import { UserSettings } from '@ghostfolio/common/interfaces';
 
 export class FeeRatioInitialInvestment extends Rule<Settings> {
@@ -27,18 +28,30 @@ export class FeeRatioInitialInvestment extends Rule<Settings> {
       : 0;
 
     if (feeRatio > ruleSettings.thresholdMax) {
+      const evaluation = this.i18nService
+        .getTranslation({
+          id: 'rule.fee-ratio-initial-investment.exceed',
+          languageCode: DEFAULT_LANGUAGE_CODE
+        })
+        .replace('{thresholdMax}', (ruleSettings.thresholdMax * 100).toFixed(2))
+        .replace('{feeRatio}', (feeRatio * 100).toPrecision(3));
+
       return {
-        evaluation: `The fees do exceed ${
-          ruleSettings.thresholdMax * 100
-        }% of your initial investment (${(feeRatio * 100).toPrecision(3)}%)`,
+        evaluation,
         value: false
       };
     }
 
+    const evaluation = this.i18nService
+      .getTranslation({
+        id: 'rule.fee-ratio-initial-investment.not-exceed',
+        languageCode: DEFAULT_LANGUAGE_CODE
+      })
+      .replace('{thresholdMax}', (ruleSettings.thresholdMax * 100).toFixed(2))
+      .replace('{feeRatio}', (feeRatio * 100).toPrecision(3));
+
     return {
-      evaluation: `The fees do not exceed ${
-        ruleSettings.thresholdMax * 100
-      }% of your initial investment (${(feeRatio * 100).toPrecision(3)}%)`,
+      evaluation,
       value: true
     };
   }
diff --git a/apps/client/src/app/pages/i18n/i18n-page.html b/apps/client/src/app/pages/i18n/i18n-page.html
index b23129c45..6b9867c95 100644
--- a/apps/client/src/app/pages/i18n/i18n-page.html
+++ b/apps/client/src/app/pages/i18n/i18n-page.html
@@ -11,6 +11,10 @@
         performance, portfolio, software, stock, trading, wealth, web3
       </li>
       <li i18n="@@myAccount">My Account</li>
+      <!--
+      <li i18n="@@rule.fee-ratio-initial-investment.exceed">The fees do exceed {{thresholdMax}}% of your initial investment ({feeRatio}%)</li>
+      <li i18n="@@rule.fee-ratio-initial-investment.not-exceed">The fees do exceed {thresholdMax}% of your initial investment ({feeRatio}%)</li>
+      -->
       <li i18n="@@slogan">Open Source Wealth Management Software</li>
     </ul>
   </div>