diff --git a/projects/common/element-components/dropdown.component.ts b/projects/common/element-components/dropdown.component.ts
index 2ecf91a14d6fe2f05f65c251302c693f92359bc6..4754e776853f60661cef78055938b68480fe6443 100644
--- a/projects/common/element-components/dropdown.component.ts
+++ b/projects/common/element-components/dropdown.component.ts
@@ -20,7 +20,7 @@ import { DropdownElement } from '../classes/dropdownElement';
       <mat-select (focusin)="onFocusin.emit()"
                   [formControl]="elementFormControl">
         <mat-option *ngIf="elementModel.allowUnset" value=""></mat-option>
-        <mat-option *ngFor="let option of elementModel.options" [value]="option">
+        <mat-option *ngFor="let option of elementModel.options; let i = index" [value]="i">
           {{option}}
         </mat-option>
       </mat-select>
diff --git a/projects/common/element-components/radio-button-group.component.ts b/projects/common/element-components/radio-button-group.component.ts
index a1575ccc5186cf9863cfda6112eadff2389bb226..b1bb428692d3abcf03aa02c7212f44098a3a984f 100644
--- a/projects/common/element-components/radio-button-group.component.ts
+++ b/projects/common/element-components/radio-button-group.component.ts
@@ -23,8 +23,7 @@ import { RadioButtonGroupElement } from '../classes/radioButtonGroupElement';
                        [style.margin-bottom.px]="25"
                        [fxLayout]="elementModel.alignment"
                        [formControl]="elementFormControl">
-        <mat-radio-button *ngFor="let option of elementModel.options"
-                          [value]="option">
+        <mat-radio-button *ngFor="let option of elementModel.options; let i = index" [value]="i">
           {{option}}
         </mat-radio-button>
         <mat-error *ngIf="elementFormControl.errors && elementFormControl.touched"
diff --git a/projects/editor/src/app/components/unit-view/page-view/properties/element-properties.component.html b/projects/editor/src/app/components/unit-view/page-view/properties/element-properties.component.html
index 5bfa5e3ad5d0023757ff16840b7e0327a3ea54e6..ad721af34f28afa0f2347a504fc8793f63904b37 100644
--- a/projects/editor/src/app/components/unit-view/page-view/properties/element-properties.component.html
+++ b/projects/editor/src/app/components/unit-view/page-view/properties/element-properties.component.html
@@ -127,7 +127,7 @@
           <mat-select [value]="combinedProperties.value"
                       (selectionChange)="updateModel('value', $event.value)">
             <mat-option>undefiniert</mat-option>
-            <mat-option *ngFor="let option of $any(combinedProperties).options" [value]="option">
+            <mat-option *ngFor="let option of $any(combinedProperties).options; let i = index" [value]="i">
               {{option}}
             </mat-option>
           </mat-select>