diff --git a/htdocs/wp-content/themes/lawcarta/functions.php b/htdocs/wp-content/themes/lawcarta/functions.php
index de47f60..a83113e 100644
--- a/htdocs/wp-content/themes/lawcarta/functions.php
+++ b/htdocs/wp-content/themes/lawcarta/functions.php
@@ -226,16 +226,19 @@ function get_lawcarta_url(){
         }
         $host = implode('.', $hostParts);
         //Fix for staging env because of it use same domain carta.live for both lawcarta/livecarta
-        if(LAWCARTA_ENVIRONMENT_NAME == 'staging' && $wp_sub_domain == 'staging-live'){
-            $host = str_replace('staging-law', 'staging-live',$host);
-        }
-        //Temporary fix for new prod env because of it use same domain carta.live for both lawcarta/livecarta
-        if(LAWCARTA_ENVIRONMENT_NAME == 'prod' && $wp_sub_domain == 'prod-live'){
-            $host = str_replace('prod-law', 'prod-live',$host);
-        }
-        //Temporary fix for new prod env because of it use same domain carta.live for both lawcarta/livecarta
-        if(LAWCARTA_ENVIRONMENT_NAME == 'prod' && $wp_sub_domain == ''){
-            $host = str_replace('app-law', 'app',$host);
+
+        if (isset($wp_sub_domain)) {
+            if(LAWCARTA_ENVIRONMENT_NAME == 'staging' && $wp_sub_domain == 'staging-live'){
+                $host = str_replace('staging-law', 'staging-live',$host);
+            }
+            //Temporary fix for new prod env because of it use same domain carta.live for both lawcarta/livecarta
+            if(LAWCARTA_ENVIRONMENT_NAME == 'prod' && $wp_sub_domain == 'prod-live'){
+                $host = str_replace('prod-law', 'prod-live',$host);
+            }
+            //Temporary fix for new prod env because of it use same domain carta.live for both lawcarta/livecarta
+            if(LAWCARTA_ENVIRONMENT_NAME == 'prod' && $wp_sub_domain == ''){
+                $host = str_replace('app-law', 'app',$host);
+            }
         }
     }