diff --git a/app/src/trait/frame_sink.h b/app/src/trait/frame_sink.h
index 64ab0de..0214ab3 100644
--- a/app/src/trait/frame_sink.h
+++ b/app/src/trait/frame_sink.h
@@ -1,5 +1,5 @@
-#ifndef SC_FRAME_SINK
-#define SC_FRAME_SINK
+#ifndef SC_FRAME_SINK_H
+#define SC_FRAME_SINK_H
 
 #include "common.h"
 
diff --git a/app/src/trait/packet_sink.h b/app/src/trait/packet_sink.h
index fe9c137..1fef765 100644
--- a/app/src/trait/packet_sink.h
+++ b/app/src/trait/packet_sink.h
@@ -1,5 +1,5 @@
-#ifndef SC_PACKET_SINK
-#define SC_PACKET_SINK
+#ifndef SC_PACKET_SINK_H
+#define SC_PACKET_SINK_H
 
 #include "common.h"