diff --git a/src/main/resources/templates/createOrga.html b/src/main/resources/templates/createOrga.html
index d06692a..ca55778 100644
--- a/src/main/resources/templates/createOrga.html
+++ b/src/main/resources/templates/createOrga.html
@@ -54,7 +54,7 @@
                         <div class="form-group mt-3">
                             <label for="userMaximum">Teilnehmeranzahl</label>
                             <input class="form-control" id="userMaximum" required th:name="userMaximum"
-                                   type="number" min="1">
+                                   type="number" min="1" max="10000">
                         </div>
                         <div class="custom-control custom-checkbox">
                             <input class="custom-control-input" id="visibility" th:name="visibility"