diff --git a/aos/json_tokenizer.h b/aos/json_tokenizer.h
index dec2a32..892c575 100644
--- a/aos/json_tokenizer.h
+++ b/aos/json_tokenizer.h
@@ -4,6 +4,7 @@
 #include <string>
 #include <string_view>
 #include <vector>
+
 #include "flatbuffers/util.h"
 
 namespace aos {