diff --git a/Dockerfile b/Dockerfile
index b3358c7fa9abe9be7116bcc1983f82eb0497c456..00a084e7ad14d21b61aa32b46389f682610fb085 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -29,7 +29,7 @@ FROM ${DEPENDENCY_PROXY}nginxinc/nginx-unprivileged:1.25
 
 # Copy custom conf to write logs into file to persist them
 COPY nginx/nginx.conf /etc/nginx/nginx.conf
-RUN mkdir -p /tmp/log && chmod g+w /tmp/log
+RUN mkdir -p /tmp/log && chmod a+w /tmp/log
 
 # Copy nginx modified conf with template (cf. "Using environment variables in nginx configuration" in https://hub.docker.com/_/nginx )
 COPY nginx/templates/default.conf.template /etc/nginx/templates/default.conf.template