diff --git a/BeWoPlanerMobil/Scripts/gruppenbuchung.js b/BeWoPlanerMobil/Scripts/gruppenbuchung.js
index 9d2f5cb6c..10384c05e 100644
--- a/BeWoPlanerMobil/Scripts/gruppenbuchung.js
+++ b/BeWoPlanerMobil/Scripts/gruppenbuchung.js
@@ -107,8 +107,6 @@ function openGroupBookingTab(isSupportConceptTab) {
 }
 
 function addSupportConcepts() {
-    hideGroupBookingPopup();
-
     addSupportConceptsViaGet();
 }
 
@@ -164,8 +162,6 @@ function hideEmployeePopup() {
 }
 
 function addEmployees() {
-    hideEmployeePopup();
-
     addEmployeesViaGet();
 }
 
diff --git a/BeWoPlanerMobil/Views/Main/Main.cshtml b/BeWoPlanerMobil/Views/Main/Main.cshtml
index 9fd289b9b..8c7565651 100644
--- a/BeWoPlanerMobil/Views/Main/Main.cshtml
+++ b/BeWoPlanerMobil/Views/Main/Main.cshtml
@@ -636,7 +636,7 @@
                 {
                     <tr>
                         <td style="width: 1%; white-space: nowrap;">
-                            <input type="checkbox" value="@hp.Value" name="costbearer2supportconcept_@hp.Value" id="costbearer2supportconcept_@hp.Value" @if (Model.SelectedCostbearerRelOids.Contains(long.Parse(hp.Value))) { @Html.Raw("checked=\"checked\"") } />
+                            <input type="checkbox" value="@hp.Value" onchange="addSupportConcepts()" name="costbearer2supportconcept_@hp.Value" id="costbearer2supportconcept_@hp.Value" @if (Model.SelectedCostbearerRelOids.Contains(long.Parse(hp.Value))) { @Html.Raw("checked=\"checked\"") } />
                         </td>
                         <td class="group-booking-text-cell">
                             @hp.Text
@@ -651,7 +651,7 @@
                 {
                     <tr>
                         <td style="width: 1px; white-space: nowrap;">
-                            <input type="checkbox" value="@gruppe.Value" name="group_@gruppe.Value" id="group_@gruppe.Value" @if (Model.SelectedGroupOfPeopleOids.Contains(long.Parse(gruppe.Value))) { @Html.Raw("checked=\"checked\"") } />
+                            <input type="checkbox" value="@gruppe.Value" onchange="addSupportConcepts()" name="group_@gruppe.Value" id="group_@gruppe.Value" @if (Model.SelectedGroupOfPeopleOids.Contains(long.Parse(gruppe.Value))) { @Html.Raw("checked=\"checked\"") } />
                         </td>
                         <td class="group-booking-text-cell">
                             @gruppe.Text
@@ -661,7 +661,6 @@
             </table>
         </div>
     </div>
-    <input type="button" onclick="addSupportConcepts()" value="Hinzufügen" />
 </div>
 
 <div id="employeePopupContainer" class="see-thru-popup-container" onclick="hideEmployeePopup()"></div>
@@ -675,7 +674,7 @@
                 {
                     <tr>
                         <td style="width: 1%; white-space: nowrap;">
-                            <input type="checkbox" value="@ma.Value" name="employee_@i" id="employee_@i" @if (Model.SelectedEmployees.Any(a => a.EmployeeOid == long.Parse(ma.Value))) { @Html.Raw("checked=\"checked\"") } />
+                            <input type="checkbox" value="@ma.Value" onchange="addEmployees()" name="employee_@i" id="employee_@i" @if (Model.SelectedEmployees.Any(a => a.EmployeeOid == long.Parse(ma.Value))) { @Html.Raw("checked=\"checked\"") } />
                         </td>
                         <td class="group-booking-text-cell">
                             @ma.Text
@@ -686,7 +685,6 @@
             </table>
         }
     </div>
-    <input type="button" onclick="addEmployees()" value="Hinzufügen" />
 </div>
 
 @{