diff --git a/infra/systemd/weft-appd.service b/infra/systemd/weft-appd.service
index 823b5c6..bae0ee9 100644
--- a/infra/systemd/weft-appd.service
+++ b/infra/systemd/weft-appd.service
@@ -6,11 +6,10 @@ After=weft-compositor.service servo-shell.service
 
 [Service]
 Type=notify
+Environment=WEFT_RUNTIME_BIN=/packages/system/weft-runtime/active/bin/weft-runtime
 ExecStart=/packages/system/weft-appd/active/bin/weft-appd
 Restart=on-failure
 RestartSec=1s
-# sd_notify(READY=1) is sent after IpcServer is bound and CompositorClient
-# has connected, so downstream services can depend on the IPC socket being ready.
 
 [Install]
 WantedBy=graphical.target