diff --git a/packages/frontend-2/Dockerfile b/packages/frontend-2/Dockerfile
index 4f66af0f7..853fe3b5a 100644
--- a/packages/frontend-2/Dockerfile
+++ b/packages/frontend-2/Dockerfile
@@ -33,7 +33,7 @@ RUN yarn workspaces foreach -W run build
 # hadolint ignore=DL3059
 RUN find ./packages/frontend-2/.output/ -type f \( -name "*.js.map" -o -name "*.mjs.map" -o -name "*.cjs.map" \) -exec rm -f {} \;
 
-ENV TINI_VERSION v0.19.0
+ENV TINI_VERSION=v0.19.0
 ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /tini
 RUN chmod +x /tini
 
diff --git a/packages/preview-service/Dockerfile b/packages/preview-service/Dockerfile
index f90bc289a..dd9d83828 100644
--- a/packages/preview-service/Dockerfile
+++ b/packages/preview-service/Dockerfile
@@ -36,7 +36,7 @@ COPY packages/preview-service ./packages/preview-service/
 # This way the foreach only builds the frontend and its deps
 RUN yarn workspaces foreach -W run build
 
-FROM node:22-bookworm-slim@sha256:221ee67425de7a3c11ce4e81e63e50caaec82ede3a7d34599ab20e59d29a0cb5 as node
+FROM node:22-bookworm-slim@sha256:221ee67425de7a3c11ce4e81e63e50caaec82ede3a7d34599ab20e59d29a0cb5 AS node
 
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 # hadolint ignore=DL3008,DL3015