diff --git a/ng2-components/ng2-activiti-form/src/components/widgets/radio-buttons/radio-buttons.widget.html b/ng2-components/ng2-activiti-form/src/components/widgets/radio-buttons/radio-buttons.widget.html
index e9124c2dd8..6d34868a29 100644
--- a/ng2-components/ng2-activiti-form/src/components/widgets/radio-buttons/radio-buttons.widget.html
+++ b/ng2-components/ng2-activiti-form/src/components/widgets/radio-buttons/radio-buttons.widget.html
@@ -1,12 +1,12 @@
 <div class="radio-buttons-widget"
-     [class.radio-buttons-widget__invalid]="!field.isValid">
+     [class.radio-buttons-widget__invalid]="!field.isValid" [id]="field.id">
     <label class="radio-buttons-widget__label" [attr.for]="field.id">{{field.name}}</label>
     <div *ngFor="let opt of field.options">
-        <label [attr.for]="opt.id" class="mdl-radio mdl-js-radio">
+        <label [id]="opt.id" [attr.for]="field.id + '-' + opt.id" class="mdl-radio mdl-js-radio">
             <input type="radio"
                    class="mdl-radio__button"
                    [checked]="field.value === opt.id"
-                   [attr.id]="opt.id"
+                   [attr.id]="field.id + '-' + opt.id"
                    [attr.name]="field.id"
                    [attr.value]="opt.id"
                    [disabled]="field.readOnly"