diff --git a/neode-ui/Dockerfile.web b/neode-ui/Dockerfile.web
index cee93d1e..480dfe41 100644
--- a/neode-ui/Dockerfile.web
+++ b/neode-ui/Dockerfile.web
@@ -37,6 +37,7 @@ COPY neode-ui/docker/nginx-demo.conf /etc/nginx/nginx.conf.template
 COPY neode-ui/docker/docker-entrypoint.sh /docker-entrypoint-custom.sh
 RUN chmod +x /docker-entrypoint-custom.sh
 
+
 # Expose port
 EXPOSE 80
 
diff --git a/neode-ui/docker/docker-entrypoint.sh b/neode-ui/docker/docker-entrypoint.sh
index 3fb0ad16..05186a1f 100644
--- a/neode-ui/docker/docker-entrypoint.sh
+++ b/neode-ui/docker/docker-entrypoint.sh
@@ -1,4 +1,11 @@
 #!/bin/sh
-# Copy nginx config (no envsubst needed — API key is handled by backend)
+# Copy nginx config template
 cp /etc/nginx/nginx.conf.template /etc/nginx/nginx.conf
+
+# Ensure client_max_body_size 0 is present (unlimited uploads)
+# This is a safety net in case the config template was cached without the directive
+if ! grep -q 'client_max_body_size' /etc/nginx/nginx.conf; then
+  sed -i 's/http {/http {\n    client_max_body_size 0;/' /etc/nginx/nginx.conf
+fi
+
 exec nginx -g 'daemon off;'