diff --git a/apps/mariadb/mariadb-prometheus/Dockerfile b/apps/mariadb/mariadb-prometheus/Dockerfile
index e9fe4bc..c8b06ed 100644
--- a/apps/mariadb/mariadb-prometheus/Dockerfile
+++ b/apps/mariadb/mariadb-prometheus/Dockerfile
@@ -1,5 +1,5 @@
 # vim:set ft=dockerfile:
-FROM debian:buster-slim
+FROM cr.lan/debian-stable
 
 RUN set -ex; \
 	apt-get update; \
diff --git a/apps/mariadb/mariadb/Dockerfile b/apps/mariadb/mariadb/Dockerfile
index c5bac2d..8ad4800 100644
--- a/apps/mariadb/mariadb/Dockerfile
+++ b/apps/mariadb/mariadb/Dockerfile
@@ -1,5 +1,5 @@
 # vim:set ft=dockerfile:
-FROM debian:buster-slim
+FROM cr.lan/debian-stable
 
 # add our user and group first to make sure their IDs get assigned consistently, regardless of whatever dependencies get added
 RUN groupadd -r mysql && useradd -r -g mysql mysql
diff --git a/apps/mariadb/tekton-image-build-mariadb-prometheus-exporter.yaml b/apps/mariadb/tekton-image-build-mariadb-prometheus-exporter.yaml
index 4f543f6..42e87db 100644
--- a/apps/mariadb/tekton-image-build-mariadb-prometheus-exporter.yaml
+++ b/apps/mariadb/tekton-image-build-mariadb-prometheus-exporter.yaml
@@ -13,7 +13,7 @@ spec:
     - name: path-to-image-context
       value: apps/mariadb/mariadb-prometheus
     - name: path-to-dockerfile
-      value: apps/mariadb/mariadb/mariadb/Dockerfile
+      value: apps/mariadb/mariadb-prometheus/Dockerfile
     - name: image-name
       value: cr.lan/mariadb-prometheus-node-exporter
   workspaces: