diff --git a/run-document-server.sh b/run-document-server.sh
index 427cdae..caa6ae1 100755
--- a/run-document-server.sh
+++ b/run-document-server.sh
@@ -73,7 +73,8 @@ NGINX_ONLYOFFICE_EXAMPLE_CONF="${NGINX_ONLYOFFICE_EXAMPLE_PATH}/includes/ds-exam
 
 NGINX_CONFIG_PATH="/etc/nginx/nginx.conf"
 NGINX_WORKER_PROCESSES=${NGINX_WORKER_PROCESSES:-1}
-NGINX_WORKER_CONNECTIONS=${NGINX_WORKER_CONNECTIONS:-1024}
+# Limiting the maximum number of simultaneous connections due to possible memory shortage
+[ $(ulimit -n) -gt 1048576 ] && NGINX_WORKER_CONNECTIONS=${NGINX_WORKER_CONNECTIONS:-1048576} || NGINX_WORKER_CONNECTIONS=${NGINX_WORKER_CONNECTIONS:-$(ulimit -n)}
 
 JWT_ENABLED=${JWT_ENABLED:-true}