diff --git a/trunk/src/app/srs_app_ng_exec.cpp b/trunk/src/app/srs_app_ng_exec.cpp
index 17941a00c1..18d719e789 100644
--- a/trunk/src/app/srs_app_ng_exec.cpp
+++ b/trunk/src/app/srs_app_ng_exec.cpp
@@ -35,6 +35,7 @@ using namespace std;
 #include <srs_kernel_utility.hpp>
 #include <srs_kernel_consts.hpp>
 #include <srs_protocol_utility.hpp>
+#include <srs_app_utility.hpp>
 
 SrsNgExec::SrsNgExec()
 {