diff --git a/.upsun/config.yaml b/.upsun/config.yaml
index 124cdd6..209a2f2 100644
--- a/.upsun/config.yaml
+++ b/.upsun/config.yaml
@@ -7,7 +7,7 @@ applications:
     frontend:
 
         source:
-            root: "frontend"
+            root: "/frontend"
 
         type: "nodejs:22"
 
@@ -47,7 +47,7 @@ applications:
     backend:
 
         source:
-            root: "backend"
+            root: "/backend"
 
         type: "python:3.12"