diff --git a/modules/relative-urls.php b/modules/relative-urls.php
index 755ab2d5..bfaf15bf 100644
--- a/modules/relative-urls.php
+++ b/modules/relative-urls.php
@@ -14,7 +14,7 @@
  * add_theme_support('soil-relative-urls');
  */
 
-if (is_admin() || isset($_GET['sitemap']) || in_array($GLOBALS['pagenow'], ['wp-login.php', 'wp-register.php'])) {
+if ((is_admin() && !wp_doing_ajax()) || isset($_GET['sitemap']) || in_array($GLOBALS['pagenow'], ['wp-login.php', 'wp-register.php'])) {
   return;
 }
 
diff --git a/soil.php b/soil.php
index 39992ac1..ef3ca016 100644
--- a/soil.php
+++ b/soil.php
@@ -55,8 +55,8 @@ public function set($options) {
 function load_modules() {
   global $_wp_theme_features;
 
-  // Skip loading modules in the admin.
-  if (is_admin()) {
+  // Skip loading modules in the admin but allow in ajax actions.
+  if ((is_admin() && !wp_doing_ajax())) {
     return;
   }