diff --git a/tools/streaming_proto/Errors.cpp b/tools/streaming_proto/Errors.cpp
index 0cd9037..6890d99 100644
--- a/tools/streaming_proto/Errors.cpp
+++ b/tools/streaming_proto/Errors.cpp
@@ -1,5 +1,6 @@
 #include "Errors.h"
 
+#include <stdarg.h>
 #include <stdlib.h>
 
 namespace android {