diff --git a/Dockerfile.artifacts b/Dockerfile.artifacts
index 1fc5945d..ab218a36 100644
--- a/Dockerfile.artifacts
+++ b/Dockerfile.artifacts
@@ -42,8 +42,7 @@ COPY --from=build-frontend /srv/frontend/public/ web
 
 RUN \
     export WEB_ROOT=/build/backend/web && \
-    sed -i "s|{% REMARK_URL %}http://127.0.0.1:8080|g" ${WEB_ROOT}/*.js && \
-    sed -i "s|{% REMARK_URL %}http://127.0.0.1:8080|g" ${WEB_ROOT}/*.html && \
+    find . -regex '.*\.\(html\|js\|mjs\)$' -print -exec sed -i "s|{% REMARK_URL %}|http://127.0.0.1:8080|g" {} \; && \
     statik --src=${WEB_ROOT} --dest=/build/backend/app/rest -p api -f && \
     statik --src=/build/backend/templates --dest=/build/backend/app -p templates -ns templates -f && \
     ls -la /build/backend/app/templates/statik.go && \
diff --git a/docker-init.sh b/docker-init.sh
index 9aad5b4d..f20ba77f 100755
--- a/docker-init.sh
+++ b/docker-init.sh
@@ -1,8 +1,7 @@
 #!/bin/sh
 echo "prepare environment"
 # replace {% REMARK_URL %} by content of REMARK_URL variable
-sed -i "s|{% REMARK_URL %}|${REMARK_URL}|g" /srv/web/*.html
-sed -i "s|{% REMARK_URL %}|${REMARK_URL}|g" /srv/web/*.js
+find . -regex '.*\.\(html\|js\|mjs\)$' -print -exec sed -i "s|{% REMARK_URL %}|${REMARK_URL}|g" {} \;
 
 if [ -n "${SITE_ID}" ]; then
   #replace "site_id: 'remark'" by SITE_ID