diff --git a/selectors/general.js b/selectors/general.js
index 0a00a3f2db00..b01e8403d977 100644
--- a/selectors/general.js
+++ b/selectors/general.js
@@ -17,5 +17,9 @@ export function areTimezonesEnabledAndSupported(state) {
 export function getBasePath(state) {
     const config = getConfig(state) || {};
 
-    return new URL(config.SiteURL || window.location.origin).pathname;
+    if (config.SiteURL) {
+        return new URL(config.SiteURL).pathname;
+    }
+
+    return window.basename || window.location.origin;
 }