diff --git a/docker/main/rootfs/etc/s6-overlay/s6-rc.d/nginx/run b/docker/main/rootfs/etc/s6-overlay/s6-rc.d/nginx/run
index a6436abd4..677126a6d 100755
--- a/docker/main/rootfs/etc/s6-overlay/s6-rc.d/nginx/run
+++ b/docker/main/rootfs/etc/s6-overlay/s6-rc.d/nginx/run
@@ -38,7 +38,7 @@ function get_cpus() {
     fi
 
     local cpus
-    if [ -n "${quota}" ] && [ -n "${period}" ]; then
+    if [ "${period}" != "0" ] && [ -n "${quota}" ] && [ -n "${period}" ]; then
         cpus=$((quota / period))
         if [ "$cpus" -eq 0 ]; then
             cpus=1