diff --git a/cJSON.h b/cJSON.h
index 040511ef0f4555e8d91c456d290667e258ac9fa6..544f4eabcd44e16a77b4fd0712049a94bcf0bf70 100644
--- a/cJSON.h
+++ b/cJSON.h
@@ -149,7 +149,7 @@ CJSON_PUBLIC(int) cJSON_GetArraySize(const cJSON *array);
 /* Retrieve item number "item" from array "array". Returns NULL if unsuccessful. */
 CJSON_PUBLIC(cJSON *) cJSON_GetArrayItem(const cJSON *array, int item);
 /* Get item "string" from object. Case insensitive. */
-CJSON_PUBLIC(cJSON *) cJSON_GetObjectItem(const cJSON *object, const char *string);
+CJSON_PUBLIC(cJSON *) cJSON_GetObjectItem(const cJSON * const object, const char * const string);
 CJSON_PUBLIC(cJSON *) cJSON_GetObjectItemCaseSensitive(const cJSON *object, const char *string);
 CJSON_PUBLIC(cJSON_bool) cJSON_HasObjectItem(const cJSON *object, const char *string);
 /* For analysing failed parses. This returns a pointer to the parse error. You'll probably need to look a few chars back to make sense of it. Defined when cJSON_Parse() returns 0. 0 when cJSON_Parse() succeeds. */