diff --git a/core/modules/datetime_range/datetime_range.install b/core/modules/datetime_range/datetime_range.install
index df02d38..dc16c24 100644
--- a/core/modules/datetime_range/datetime_range.install
+++ b/core/modules/datetime_range/datetime_range.install
@@ -46,17 +46,38 @@ function datetime_range_update_8001(&$sandbox) {
               // Set datetime plugin_id.
               $view->set($base . '.plugin_id', 'datetime');
 
-              // Set datetime value.
+              // Create datetime value array.
               $datetime_value = [
                 'min' => '',
                 'max' => '',
                 'value' => $filter['value'],
                 'type' => 'date',
               ];
-              $view->set($base . '.value', $datetime_value);
 
-              // Default to '=' operator.
-              $view->set($base . '.operator', '=');
+              // Map string operator/value to numeric equivalent.
+              switch ($view->get($base . '.operator')) {
+                case '=':
+                  $operator = '=';
+                  break;
+                case '!=':
+                case 'not':
+                  $operator = '!=';
+                  break;
+                case 'starts':
+                  $operator = 'regular_expression';
+                  $datetime_value['value'] = '^' . $datetime_value['value'];
+                  break;
+                case 'ends':
+                  $operator = 'regular_expression';
+                  $datetime_value['value'] = $datetime_value['value'] . '$';
+                  break;
+                default:
+                  $operator = 'regular_expression';
+              }
+
+              // Set value and operator.
+              $view->set($base . '.value', $datetime_value);
+              $view->set($base . '.operator', $operator);
 
               // Store the changes.
               $view->save(TRUE);