diff --git a/src_data/pages/settings.html b/src_data/pages/settings.html
index f488093..a6c5a79 100644
--- a/src_data/pages/settings.html
+++ b/src_data/pages/settings.html
@@ -304,8 +304,7 @@
         
                 <label>
                   <span data-i18n>settings.equitherm.obs1_outdoor</span>
-                  <input type="number" inputmode="decimal" name="equitherm[obs1_outdoor]" min="-50" max="50" step="0.1"
-                    required>
+                  <input type="number" inputmode="decimal" name="equitherm[obs1_outdoor]" min="-50" max="50" step="0.1">
                 </label>
         
                 <label>