diff --git a/clusters/cl01tl/helm/dawarich/values.yaml b/clusters/cl01tl/helm/dawarich/values.yaml
index 6bff39e6c..d8c34a14f 100644
--- a/clusters/cl01tl/helm/dawarich/values.yaml
+++ b/clusters/cl01tl/helm/dawarich/values.yaml
@@ -295,7 +295,7 @@ postgres-18-cluster:
   cluster:
     image:
       repository: ghcr.io/cloudnative-pg/postgis
-      tag: 18.3-system-trixie
+      tag: 18-3-system-trixie
     initdb:
       postInitTemplateSQL:
         - CREATE EXTENSION postgis;