diff --git a/src/views/project/Project_edit.vue b/src/views/project/Project_edit.vue
index 4483a3c7caa04a703e45c49addbb8a62d8f03711..5f809f620d8295acfcbadd826439c8a331f377fa 100644
--- a/src/views/project/Project_edit.vue
+++ b/src/views/project/Project_edit.vue
@@ -73,6 +73,7 @@
             <input
               type="number"
               min="0"
+              oninput="validity.valid||(value='');"
               style="padding: 1px 2px"
               name="archive_feature"
               id="archive_feature"
@@ -88,6 +89,7 @@
             <input
               type="number"
               min="0"
+              oninput="validity.valid||(value='');"
               style="padding: 1px 2px"
               name="delete_feature"
               id="delete_feature"