diff --git a/cJSON.c b/cJSON.c
index 15bd7f8..6021cad 100644
--- a/cJSON.c
+++ b/cJSON.c
@@ -2171,7 +2171,7 @@ CJSON_PUBLIC(cJSON *) cJSON_CreateIntArray(const int *numbers, int count)
     cJSON *p = NULL;
     cJSON *a = NULL;
 
-    if (count < 0)
+    if ((count < 0) || (numbers == NULL))
     {
         return NULL;
     }