diff --git a/src/encode_accessors.h b/src/encode_accessors.h
index 5c345acb508b19208f534c8ce1ea63ddd1b48f68..55a6993771599dad509cc0722f258988b037311a 100644
--- a/src/encode_accessors.h
+++ b/src/encode_accessors.h
@@ -50,6 +50,8 @@
 #ifndef ENCODE_ACCESSORS_H
 #define ENCODE_ACCESSORS_H 1
 
+#include "config.h"
+
 #if HAVE_STDINT_H
 #  include <stdint.h>
 #endif