diff --git a/projects/common/element-components/dropdown.component.ts b/projects/common/element-components/dropdown.component.ts
index 7774b74a059a64a4847c4ebd32d83ed6dcd41c07..0a7e2127e1addee5ab57dc74983515bc08a6f09d 100644
--- a/projects/common/element-components/dropdown.component.ts
+++ b/projects/common/element-components/dropdown.component.ts
@@ -18,6 +18,7 @@ import { FormElementComponent } from '../form-element-component.directive';
               {{$any(elementModel).label}}
           </mat-label>
           <mat-select [formControl]="elementFormControl">
+              <mat-option *ngIf="elementModel.allowUnset" value=""></mat-option>
               <mat-option *ngFor="let option of elementModel.options" [value]="option">
                   {{option}}
               </mat-option>
diff --git a/projects/common/unit.ts b/projects/common/unit.ts
index 6714723b4415c58c145cc63ff265ed7e43bff26c..284a53f629787e99e423a7051a3b98649b46720d 100644
--- a/projects/common/unit.ts
+++ b/projects/common/unit.ts
@@ -100,6 +100,7 @@ export interface DropdownElement extends InputUIElement, TextUIElement, SurfaceU
   label: string;
   options: string[];
   value: string | undefined;
+  allowUnset: boolean;
 }
 
 export interface RadioButtonGroupElement extends InputUIElement, TextUIElement, SurfaceUIElement {
diff --git a/projects/editor/src/app/UnitFactory.ts b/projects/editor/src/app/UnitFactory.ts
index 37ca23a7b6474d87d7496e736dd58df7150bcd41..a6d0dc6aebb71af7827f31be0ce52fbecaf3078a 100644
--- a/projects/editor/src/app/UnitFactory.ts
+++ b/projects/editor/src/app/UnitFactory.ts
@@ -143,6 +143,7 @@ export function createCheckboxElement(): CheckboxElement {
 export function createDropdownElement(): DropdownElement {
   return <DropdownElement><unknown>{
     options: [],
+    allowUnset: false,
     ...createUnitUIElement('dropdown'),
     ...createInputUIElement('Label Dropdown', undefined),
     ...createTextUIElement(),
diff --git a/projects/editor/src/app/components/unit-view/page-view/properties/element-properties.component.ts b/projects/editor/src/app/components/unit-view/page-view/properties/element-properties.component.ts
index deee93a5157d857beb681943e49e1543793ece28..61933b7bd3d5e616e61fccfa2f491a7c37ee8e8e 100644
--- a/projects/editor/src/app/components/unit-view/page-view/properties/element-properties.component.ts
+++ b/projects/editor/src/app/components/unit-view/page-view/properties/element-properties.component.ts
@@ -65,6 +65,12 @@ import { SelectionService } from '../../../../selection.service';
               </mat-select>
             </mat-form-field>
 
+            <mat-checkbox *ngIf="combinedProperties.hasOwnProperty('allowUnset')"
+                          [checked]="$any(combinedProperties.allowUnset)"
+                          (change)="updateModel('allowUnset', $event.checked)">
+              Deselektion erlauben
+            </mat-checkbox>
+
             <mat-divider></mat-divider>
 
             <mat-checkbox *ngIf="combinedProperties.hasOwnProperty('required')"