diff --git a/src/input/input_buffer.cpp b/src/input/input_buffer.cpp
index eeff523d..38cf4c0e 100644
--- a/src/input/input_buffer.cpp
+++ b/src/input/input_buffer.cpp
@@ -9,6 +9,7 @@
 #include <string>
 #include <mist/stream.h>
 #include <mist/defines.h>
+#include <mist/bitfields.h>
 
 #include "input_buffer.h"