diff --git a/tests/unit/config_json.c b/tests/unit/config_json.c
index 64183dcf5..d1b86c6f7 100644
--- a/tests/unit/config_json.c
+++ b/tests/unit/config_json.c
@@ -28,6 +28,7 @@
 #include <libconfig.h>
 
 #include "utils.h"
+#include "config_helper.h"
 
 const char *cfg_example = "test : \n"
 			  "{\n"
diff --git a/tests/unit/json.c b/tests/unit/json.c
index fa145e8b0..6d9b6f9ab 100644
--- a/tests/unit/json.c
+++ b/tests/unit/json.c
@@ -25,6 +25,7 @@
 #include <criterion/parameterized.h>
 
 #include "utils.h"
+#include "config_helper.h"
 
 struct param {
 	const char *desc;