diff --git a/prototype/src/main/resources/templates/intern/accounting/addManual.html b/prototype/src/main/resources/templates/intern/accounting/addManual.html
index 9161dc7..32954bb 100644
--- a/prototype/src/main/resources/templates/intern/accounting/addManual.html
+++ b/prototype/src/main/resources/templates/intern/accounting/addManual.html
@@ -93,7 +93,8 @@
                     <fieldset>
                         <input type="radio" id="r-manual" th:field="*{reason}" value="Manual">
                         <label for="r-manual">Manuell</label>
-                        <input placeholder="Grund" class="full-width" type="text" th:field="*{reasonText}" value=""/>
+                        <input placeholder="Grund" class="full-width" type="text" th:field="*{reasonText}" value=""
+                               required="required"/>
                     </fieldset>
                 </fieldset>
             </div>
diff --git a/prototype/src/main/resources/templates/intern/warehouse/addManual.html b/prototype/src/main/resources/templates/intern/warehouse/addManual.html
index f4c9f08..4106364 100644
--- a/prototype/src/main/resources/templates/intern/warehouse/addManual.html
+++ b/prototype/src/main/resources/templates/intern/warehouse/addManual.html
@@ -34,7 +34,7 @@
             </div>
             <div class="l">
                 <label for="reason">Grund:</label>
-                <input placeholder="Grund" class="full-width" type="text" name="reason" value=""/>
+                <input placeholder="Grund" class="full-width" type="text" name="reason" value="" required="required"/>
             </div>
 
             <div class="s">