diff --git a/lib/ajax-datatables-rails/datatable/column/date_filter.rb b/lib/ajax-datatables-rails/datatable/column/date_filter.rb
index c680f15..f07aff5 100644
--- a/lib/ajax-datatables-rails/datatable/column/date_filter.rb
+++ b/lib/ajax-datatables-rails/datatable/column/date_filter.rb
@@ -38,7 +38,7 @@ def range_end
         end
 
         def empty_range_search?
-          (formatted_value == delimiter) || (range_start.blank? && range_end.blank?)
+          (formarted_value.exclude?(delimiter)) || (formatted_value == delimiter) || (range_start.blank? && range_end.blank?)
         end
 
         # Do a range search