diff --git a/src/jansson.h b/src/jansson.h
index 1371b59..9d894af 100644
--- a/src/jansson.h
+++ b/src/jansson.h
@@ -50,7 +50,7 @@ typedef enum {
 typedef struct json_t {
     json_type type;
     size_t refcount;
-	boolean is_modified;
+	int32_t flag;
 } json_t;
 
 #ifndef JANSSON_USING_CMAKE /* disabled if using cmake */
@@ -79,7 +79,6 @@ typedef long json_int_t;
 #define json_boolean_value     json_is_true
 #define json_is_boolean(json)  (json_is_true(json) || json_is_false(json))
 #define json_is_null(json)     ((json) && json_typeof(json) == JSON_NULL)
-#define json_is_modified(json) ((json)->is_modified)
 
 /* construction, destruction, reference counting */
 
@@ -131,7 +130,7 @@ typedef struct {
 
 /* getters, setters, manipulation */
 
-int json_set_modified(json_t *json_object, bool input);
+int json_set_flag(json_t *json, int32_t input);
 
 void json_object_seed(size_t seed);
 size_t json_object_size(const json_t *object);
diff --git a/src/value.c b/src/value.c
index afc4249..0a274c0 100644
--- a/src/value.c
+++ b/src/value.c
@@ -44,9 +44,9 @@ static JSON_INLINE void json_init(json_t *json, json_type type)
 }
 
 
-int json_set_modified(json_t *json_object, bool input)
+int json_set_flag(json_t *json, int32_t input)
 {
-	json_object->is_modified = input;
+	json->flag = input;
 }
 
 /*** object ***/