check nginx.pm version
diff --git a/src/core/nginx.h b/src/core/nginx.h
index 20003fd..f761a79 100644
--- a/src/core/nginx.h
+++ b/src/core/nginx.h
@@ -8,7 +8,8 @@
 #define _NGINX_H_INCLUDED_
 
 
-#define NGINX_VER          "nginx/0.4.9"
+#define NGINX_VERSION      "0.4.9"
+#define NGINX_VER          "nginx/" NGINX_VERSION
 
 #define NGINX_VAR          "NGINX"
 #define NGX_OLDPID_EXT     ".oldbin"