diff --git a/webapp/src/views/DtuAdminView.vue b/webapp/src/views/DtuAdminView.vue
index 308dbc6e..23d4db7b 100644
--- a/webapp/src/views/DtuAdminView.vue
+++ b/webapp/src/views/DtuAdminView.vue
@@ -48,7 +48,7 @@
                             <input
                                 type="range"
                                 class="form-control form-range"
-                                v-model="dtuConfigList.cmt_palevel"
+                                v-model.number="dtuConfigList.cmt_palevel"
                                 min="-10"
                                 max="20"
                                 id="inputCmtPaLevel"