diff --git a/modules/backend/widgets/form/partials/_field_number.htm b/modules/backend/widgets/form/partials/_field_number.htm
index a35e77598..48d944798 100644
--- a/modules/backend/widgets/form/partials/_field_number.htm
+++ b/modules/backend/widgets/form/partials/_field_number.htm
@@ -11,7 +11,7 @@
         class="form-control"
         autocomplete="off"
         maxlength="255"
-        pattern="\d+"
+        pattern="-?\d+(\.\d+)?"
         <?= $field->getAttributes() ?>
     />
 <?php endif ?>