diff --git a/common/json_help.h b/common/json_help.h
index 94fb834b..30da9df0 100644
--- a/common/json_help.h
+++ b/common/json_help.h
@@ -19,6 +19,7 @@ Contributors:
 */
 #include <cjson/cJSON.h>
 #include <stdbool.h>
+#include <stdint.h>
 
 #ifdef __cplusplus
 extern "C" {