diff --git a/Dockerfile b/Dockerfile
index f952579..c8a0e89 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -33,6 +33,10 @@ RUN chmod +x /app/entrypoint.sh /app/service.ssh.sh /app/service.ttyd.sh
 RUN mkdir -p /srv/stack
 WORKDIR /srv/stack
 
+# Set environment variable for Docker Compose project name
+# This is needed because inside ttyd docker compose defaults to hostname + directory for the project name
+ENV COMPOSE_PROJECT_NAME=stack
+
 EXPOSE 22 1234
 
 ENTRYPOINT ["/app/entrypoint.sh"]