diff --git a/trunk/src/kernel/srs_kernel_error.cpp b/trunk/src/kernel/srs_kernel_error.cpp
index f552562b9..b601c07f4 100644
--- a/trunk/src/kernel/srs_kernel_error.cpp
+++ b/trunk/src/kernel/srs_kernel_error.cpp
@@ -27,6 +27,7 @@
 
 #include <errno.h>
 #include <sstream>
+#include <stdarg.h>
 using namespace std;
 
 bool srs_is_system_control_error(int error_code)