diff --git a/web/server/Dockerfile b/web/server/Dockerfile
index c09e76d..6606150 100644
--- a/web/server/Dockerfile
+++ b/web/server/Dockerfile
@@ -26,7 +26,7 @@ RUN chmod +x /usr/local/bin/docker-entrypoint.sh
 
 EXPOSE 3001
 
-HEALTHCHECK --interval=10s --timeout=5s --start_period=15s --retries=3 \
+HEALTHCHECK --interval=10s --timeout=5s --start-period=15s --retries=3 \
   CMD wget -qO- http://localhost:3001/api/health || exit 1
 
 ENTRYPOINT ["docker-entrypoint.sh"]