--- a/thermferm/thermferm.h	Sat Jul 21 20:40:02 2018 +0200
+++ b/thermferm/thermferm.h	Mon Jul 23 14:41:21 2018 +0200
@@ -36,6 +36,7 @@
 #include <dirent.h>
 #include <uuid/uuid.h>
 #include <math.h>
+#include <json-c/json.h>
 #ifndef HAVE_WIRINGPI_H
 #include <pthread.h>
 #endif