diff --git a/.woodpecker/build.yaml b/.woodpecker/build.yaml
index 3770e15..a9c6810 100644
--- a/.woodpecker/build.yaml
+++ b/.woodpecker/build.yaml
@@ -1,6 +1,6 @@
 when:
 - event: push
-  evaluate: $CI_SYSTEM_HOST == "woodpecker.mnl.de"
+  evaluate: 'CI_SYSTEM_HOST == "woodpecker.mnl.de"'
 
 clone:
 - name: git