diff --git a/ngx_rtmp_enotify_module.c b/ngx_rtmp_enotify_module.c
index f6c3858..4acea5f 100644
--- a/ngx_rtmp_enotify_module.c
+++ b/ngx_rtmp_enotify_module.c
@@ -243,7 +243,7 @@ static ngx_int_t
 ngx_rtmp_enotify_exec(ngx_rtmp_session_t *s, ngx_rtmp_enotify_conf_t *ec)
 {
 #if !(NGX_WIN32)
-    int                         pid, fd;
+    int                         pid, fd, maxfd;
     ngx_str_t                   a, *arg;
     char                      **args;
     ngx_uint_t                  n;
@@ -258,6 +258,13 @@ ngx_rtmp_enotify_exec(ngx_rtmp_session_t *s, ngx_rtmp_enotify_conf_t *ec)
 
         case 0:
             /* child */
+
+            /* close all descriptors */
+            maxfd = sysconf(_SC_OPEN_MAX);
+            for (fd = 0; fd < maxfd; ++fd) {
+                close(fd);
+            }
+
             fd = open("/dev/null", O_RDWR);            
 
             dup2(fd, STDIN_FILENO);