diff --git a/src-ui/src/app/components/document-detail/document-detail.component.html b/src-ui/src/app/components/document-detail/document-detail.component.html
index b3465e28a..facd5ed4f 100644
--- a/src-ui/src/app/components/document-detail/document-detail.component.html
+++ b/src-ui/src/app/components/document-detail/document-detail.component.html
@@ -113,14 +113,13 @@
                             <pngx-input-tags formControlName="tags" [suggestions]="suggestions?.tags" [showFilter]="true" [horizontal]="true" (filterDocuments)="filterDocuments($event)" *pngxIfPermissions="{ action: PermissionAction.View, type: PermissionType.Tag }"></pngx-input-tags>
                             <ng-container *ngFor="let fieldInstance of document?.custom_fields; let i = index">
                                 <div [formGroup]="customFieldFormFields.controls[i]">
-                                    <!-- TODO: boolean + URL -->
-                                    <pngx-input-text formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.String" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true"></pngx-input-text>
-                                    <pngx-input-date formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.Date" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true"></pngx-input-date>
-                                    <pngx-input-number formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.Integer" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true" [showAdd]="false"></pngx-input-number>
-                                    <pngx-input-number formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.Float" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true" [showAdd]="false" [step]=".1"></pngx-input-number>
-                                    <pngx-input-number formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.Monetary" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true" [showAdd]="false" [step]=".01"></pngx-input-number>
+                                    <pngx-input-text formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.String" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true" [error]="getCustomFieldError(i)"></pngx-input-text>
+                                    <pngx-input-date formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.Date" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true" [error]="getCustomFieldError(i)"></pngx-input-date>
+                                    <pngx-input-number formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.Integer" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true" [showAdd]="false" [error]="getCustomFieldError(i)"></pngx-input-number>
+                                    <pngx-input-number formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.Float" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true" [showAdd]="false" [step]=".1" [error]="getCustomFieldError(i)"></pngx-input-number>
+                                    <pngx-input-number formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.Monetary" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true" [showAdd]="false" [step]=".01" [error]="getCustomFieldError(i)"></pngx-input-number>
                                     <pngx-input-check formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.Boolean" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true"></pngx-input-check>
-                                    <pngx-input-url formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.Url" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true"></pngx-input-url>
+                                    <pngx-input-url formControlName="value" *ngIf="getCustomFieldFromInstance(fieldInstance)?.data_type === PaperlessCustomFieldDataType.Url" [title]="getCustomFieldFromInstance(fieldInstance)?.name" [removable]="true" (removed)="removeField(fieldInstance)" [horizontal]="true" [error]="getCustomFieldError(i)"></pngx-input-url>
                                 </div>
                             </ng-container>
                         </div>
diff --git a/src-ui/src/app/components/document-detail/document-detail.component.spec.ts b/src-ui/src/app/components/document-detail/document-detail.component.spec.ts
index 23d6ce159..c0f1e44b7 100644
--- a/src-ui/src/app/components/document-detail/document-detail.component.spec.ts
+++ b/src-ui/src/app/components/document-detail/document-detail.component.spec.ts
@@ -879,6 +879,23 @@ describe('DocumentDetailComponent', () => {
     )
   })
 
+  it('should show custom field errors', () => {
+    initNormally()
+    component.error = {
+      custom_fields: [
+        {},
+        {},
+        { value: ['This field may not be null.'] },
+        {},
+        { non_field_errors: ['Enter a valid URL.'] },
+      ],
+    }
+    expect(component.getCustomFieldError(2)).toEqual([
+      'This field may not be null.',
+    ])
+    expect(component.getCustomFieldError(4)).toEqual(['Enter a valid URL.'])
+  })
+
   function initNormally() {
     jest
       .spyOn(documentService, 'get')
diff --git a/src-ui/src/app/components/document-detail/document-detail.component.ts b/src-ui/src/app/components/document-detail/document-detail.component.ts
index 227c86411..368f1e632 100644
--- a/src-ui/src/app/components/document-detail/document-detail.component.ts
+++ b/src-ui/src/app/components/document-detail/document-detail.component.ts
@@ -859,6 +859,11 @@ export class DocumentDetailComponent
     return this.customFields?.find((f) => f.id === instance.field)
   }
 
+  public getCustomFieldError(index: number) {
+    const fieldError = this.error?.custom_fields?.[index]
+    return fieldError?.['non_field_errors'] ?? fieldError?.['value']
+  }
+
   private updateFormForCustomFields(emitEvent: boolean = false) {
     this.customFieldFormFields.clear({ emitEvent: false })
     this.document.custom_fields?.forEach((fieldInstance) => {