diff --git a/core/utils.c b/core/utils.c
index 06e57c61..9176f1c5 100755
--- a/core/utils.c
+++ b/core/utils.c
@@ -4454,6 +4454,7 @@ void uwsgi_setns(char *path) {
 				}
 			}
 			free(fds);
+			close(ns_fd);
 			break;
 		}
 		if (fds)