diff --git a/.drone.yml b/.drone.yml
index d2765f5..8b8c594 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -6,7 +6,7 @@ steps:
 - name: prereq
   image: cburki/mosquitto-clients
   commands:
-    - lastknownip=$(mosquitto_sub -h mqtt.ctdo.de -t "homie/$hostname/\$localip" -C 1)
+    - lastknownip=$(mosquitto_sub -h mqtt.ctdo.de -t "homie/$hostname/$$localip" -C 1)
 - name: build
   image: python:3.10
   commands: