diff --git a/frontend/src/sw.ts b/frontend/src/sw.ts
index b23613d4e..5e5862bb3 100644
--- a/frontend/src/sw.ts
+++ b/frontend/src/sw.ts
@@ -21,9 +21,11 @@ workbox.routing.registerRoute(
 	new workbox.strategies.StaleWhileRevalidate(),
 )
 
+// Construct pattern with full base URL
+const apiRoutePattern = new RegExp(`${fullBaseUrl.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')}api\\/v1\\/.*$`)
 // Always send api requests through the network and bypass the browser's HTTP cache
 workbox.routing.registerRoute(
-	new RegExp('api\\/v1\\/.*$'),
+	apiRoutePattern,
 	new workbox.strategies.NetworkOnly({
 		fetchOptions: {
 			cache: 'no-store',