diff --git a/apps/client/src/app/components/admin-market-data/asset-profile-dialog/asset-profile-dialog.component.ts b/apps/client/src/app/components/admin-market-data/asset-profile-dialog/asset-profile-dialog.component.ts
index 53345131c..b82719995 100644
--- a/apps/client/src/app/components/admin-market-data/asset-profile-dialog/asset-profile-dialog.component.ts
+++ b/apps/client/src/app/components/admin-market-data/asset-profile-dialog/asset-profile-dialog.component.ts
@@ -17,7 +17,10 @@ import {
   User
 } from '@ghostfolio/common/interfaces';
 import { DateRange } from '@ghostfolio/common/types';
-import { validateObjectForForm } from '@ghostfolio/common/utils';
+import {
+  validateObjectForForm,
+  jsonValidator
+} from '@ghostfolio/common/utils/form.util';
 import { GfCurrencySelectorComponent } from '@ghostfolio/ui/currency-selector';
 import { GfEntityLogoComponent } from '@ghostfolio/ui/entity-logo';
 import { GfHistoricalMarketDataEditorComponent } from '@ghostfolio/ui/historical-market-data-editor';
@@ -150,7 +153,7 @@ export class GfAssetProfileDialogComponent implements OnDestroy, OnInit {
     assetClass: new FormControl<AssetClass>(undefined),
     assetSubClass: new FormControl<AssetSubClass>(undefined),
     comment: '',
-    countries: ['', this.jsonValidator()],
+    countries: ['', jsonValidator()],
     currency: '',
     historicalData: this.formBuilder.group({
       csvString: ''
@@ -159,14 +162,14 @@ export class GfAssetProfileDialogComponent implements OnDestroy, OnInit {
     name: ['', Validators.required],
     scraperConfiguration: this.formBuilder.group({
       defaultMarketPrice: null,
-      headers: [JSON.stringify({}), this.jsonValidator()],
+      headers: [JSON.stringify({}), jsonValidator()],
       locale: '',
       mode: '',
       selector: '',
       url: ''
     }),
-    sectors: ['', this.jsonValidator()],
-    symbolMapping: ['', this.jsonValidator()],
+    sectors: ['', jsonValidator()],
+    symbolMapping: ['', jsonValidator()],
     url: ''
   });
 
@@ -722,17 +725,4 @@ export class GfAssetProfileDialogComponent implements OnDestroy, OnInit {
       };
     }
   }
-
-  private jsonValidator() {
-    return (control: AbstractControl): ValidationErrors | null => {
-      try {
-        if (control.value) {
-          JSON.parse(control.value);
-        }
-        return null;
-      } catch {
-        return { invalidJson: true };
-      }
-    };
-  }
 }
diff --git a/libs/common/src/lib/utils/form.util.ts b/libs/common/src/lib/utils/form.util.ts
index 425aa4699..eff18f8fc 100644
--- a/libs/common/src/lib/utils/form.util.ts
+++ b/libs/common/src/lib/utils/form.util.ts
@@ -1,3 +1,4 @@
+import { AbstractControl, ValidationErrors, ValidatorFn } from '@angular/forms';
 import { FormGroup } from '@angular/forms';
 import { plainToInstance } from 'class-transformer';
 import { validate } from 'class-validator';
@@ -44,3 +45,17 @@ export async function validateObjectForForm<T>({
 
   return Promise.reject(nonIgnoredErrors);
 }
+
+export function jsonValidator(): ValidatorFn {
+  return (control: AbstractControl): ValidationErrors | null => {
+    if (!control.value) {
+      return null;
+    }
+
+    try {
+      JSON.parse(control.value);
+    } catch {
+      return { invalidJson: true };
+    }
+  };
+}