diff --git a/cJSON_Utils.c b/cJSON_Utils.c
index 85913c0fbc191b32eadc3328d183fc0d7b79c69e..dc20fd75494ea72575b33dbda7f1f602c0909725 100644
--- a/cJSON_Utils.c
+++ b/cJSON_Utils.c
@@ -304,6 +304,9 @@ static cJSON *cJSONUtils_SortList(cJSON *list)
 	cJSON *first=list,*second=list,*ptr=list;
 
 	if (!list || !list->next) return list;	/* One entry is sorted already. */
+	
+	while (ptr && ptr->next && cJSONUtils_strcasecmp(ptr->string,ptr->next->string)<0) ptr=ptr->next;	/* Test for list sorted. */
+	if (!ptr || !ptr->next) return list;	/* Leave sorted lists unmodified. */
 
 	while (ptr) {second=second->next;ptr=ptr->next;if (ptr) ptr=ptr->next;}	/* Walk two pointers to find the middle. */
 	if (second && second->prev) second->prev->next=0;	/* Split the lists */