diff --git a/ngx_rtmp_core_module.c b/ngx_rtmp_core_module.c
index ae36f5a..665899f 100644
--- a/ngx_rtmp_core_module.c
+++ b/ngx_rtmp_core_module.c
@@ -7,6 +7,7 @@
 #include <ngx_config.h>
 #include <ngx_core.h>
 #include <ngx_event.h>
+#include <nginx.h>
 #include "ngx_rtmp.h"